{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T16:18:28Z","timestamp":1792599508299,"version":"4.5.0"},"reference-count":52,"publisher":"Springer Science and Business Media LLC","issue":"5","license":[{"start":{"date-parts":[[2025,1,21]],"date-time":"2025-01-21T00:00:00Z","timestamp":1737417600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"},{"start":{"date-parts":[[2025,1,21]],"date-time":"2025-01-21T00:00:00Z","timestamp":1737417600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Arch Gynecol Obstet"],"DOI":"10.1007\/s00404-025-07935-6","type":"journal-article","created":{"date-parts":[[2025,1,21]],"date-time":"2025-01-21T22:26:02Z","timestamp":1737498362000},"page":"1275-1284","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Singleton term pregnancies resulting from frozen-thawed embryo transfer in hormone replacement cycles increase the risk of aberrant placentation, including velamentous umbilical cord insertion"],"prefix":"10.1007","volume":"311","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5357-0838","authenticated-orcid":false,"given":"Satoshi","family":"Furuya","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takashi","family":"Yamaguchi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ikuno","family":"Ishikawa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Makoto","family":"Ishikawa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rintaro","family":"Kawanami","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sayuri","family":"Kasano","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuka","family":"Shirai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroya","family":"Yagi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keisuke","family":"Kurose","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kiyoshi","family":"Kubonoya","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,1,21]]},"reference":[{"key":"7935_CR1","doi-asserted-by":"publisher","first-page":"241","DOI":"10.1016\/j.fertnstert.2019.12.009","volume":"113","author":"ZP Nagy","year":"2020","unstructured":"Nagy ZP, Shapiro D, Chang CC (2020) Vitrification of the human embryo: a more efficient and safer in vitro fertilization treatment. Fertil Steril 113:241\u2013247. https:\/\/doi.org\/10.1016\/j.fertnstert.2019.12.009","journal-title":"Fertil Steril"},{"key":"7935_CR2","unstructured":"Japan Society of Obstetrics and Gynecology (2024) Assisted reproductive technology in Japan: a summary report for 2021 by the Ethics Committee of the Japan Society of Obstetrics and Gynecology. https:\/\/www.jsog.or.jp\/activity\/art\/2021_JSOG-ART.pdf. (in Japanese) Accessed 30 Jun 2024"},{"key":"7935_CR3","unstructured":"All SART Member Clinics (2024) Preliminary national summary report for 2022. https:\/\/sartcorsonline.com\/CSR\/PublicSnapshotReport?ClinicPKID=0&reportingYear=2022. Accessed 30 Jun 2024"},{"key":"7935_CR4","doi-asserted-by":"publisher","first-page":"2","DOI":"10.1093\/humupd\/dmy033","volume":"25","author":"M Roque","year":"2019","unstructured":"Roque M, Haahr T, Geber S, Esteves SC, Humaidan P (2019) Fresh versus elective frozen embryo transfer in IVF\/ICSI cycles: a systematic review and meta-analysis of reproductive outcomes. Hum Reprod Update 25:2\u201314. https:\/\/doi.org\/10.1093\/humupd\/dmy033","journal-title":"Hum Reprod Update"},{"key":"7935_CR5","doi-asserted-by":"publisher","first-page":"128","DOI":"10.1016\/j.fertnstert.2013.09.025","volume":"101","author":"O Ishihara","year":"2014","unstructured":"Ishihara O, Araki R, Kuwahara A, Itakura A, Saito H, Adamson GD (2014) Impact of frozen-thawed single-blastocyst transfer on maternal and neonatal outcome: an analysis of 277,042 single-embryo transfer cycles from 2008 to 2010 in Japan. Fertil Steril 101:128\u2013133. https:\/\/doi.org\/10.1016\/j.fertnstert.2013.09.025","journal-title":"Fertil Steril"},{"key":"7935_CR6","doi-asserted-by":"publisher","first-page":"1703","DOI":"10.1016\/j.fertnstert.2016.08.047","volume":"106","author":"A Maheshwari","year":"2016","unstructured":"Maheshwari A, Raja EA, Bhattacharya S (2016) Obstetric and perinatal outcomes after either fresh or thawed frozen embryo transfer: an analysis of 112,432 singleton pregnancies recorded in the human fertilisation and embryology authority anonymized dataset. Fertil Steril 106:1703\u20131708. https:\/\/doi.org\/10.1016\/j.fertnstert.2016.08.047","journal-title":"Fertil Steril"},{"key":"7935_CR7","doi-asserted-by":"publisher","first-page":"618","DOI":"10.1093\/humrep\/det440","volume":"29","author":"A Pinborg","year":"2014","unstructured":"Pinborg A, Henningsen AA, Loft A, Malchau SS, Forman J, Andersen AN (2014) Large baby syndrome in singletons born after frozen embryo transfer (FET): is it due to maternal factors or the cryotechnique? Hum Reprod 29:618\u2013627. https:\/\/doi.org\/10.1093\/humrep\/det440","journal-title":"Hum Reprod"},{"key":"7935_CR8","doi-asserted-by":"publisher","first-page":"330","DOI":"10.1016\/j.fertnstert.2017.10.019","volume":"109","author":"T Sha","year":"2018","unstructured":"Sha T, Yin X, Cheng W, Massey IY (2018) Pregnancy-related complications and perinatal outcomes resulting from transfer of cryopreserved versus fresh embryos in vitro fertilization: a meta-analysis. Fertil Steril 109:330-342.e9. https:\/\/doi.org\/10.1016\/j.fertnstert.2017.10.019","journal-title":"Fertil Steril"},{"key":"7935_CR9","doi-asserted-by":"publisher","first-page":"784","DOI":"10.1016\/j.fertnstert.2017.08.035","volume":"108","author":"CK Sites","year":"2017","unstructured":"Sites CK, Wilson D, Barsky M, Bernson D, Bernstein IM, Boulet S, Zhang Y (2017) Embryo cryopreservation and preeclampsia risk. Fertil Steril 108:784\u2013790. https:\/\/doi.org\/10.1016\/j.fertnstert.2017.08.035","journal-title":"Fertil Steril"},{"key":"7935_CR10","doi-asserted-by":"publisher","first-page":"126.e1","DOI":"10.1016\/j.ajog.2019.03.010","volume":"221","author":"E Ginstr\u00f6m Ernstad","year":"2019","unstructured":"Ginstr\u00f6m Ernstad E, Wennerholm UB, Khatibi A, Petzold M, Bergh C (2019) Neonatal and maternal outcome after frozen embryo transfer: increased risks in programmed cycles. Am J Obstet Gynecol 221:126.e1-126.e18. https:\/\/doi.org\/10.1016\/j.ajog.2019.03.010","journal-title":"Am J Obstet Gynecol"},{"key":"7935_CR11","doi-asserted-by":"publisher","first-page":"7454","DOI":"10.1038\/s41598-024-57988-x","volume":"14","author":"SC Jwa","year":"2024","unstructured":"Jwa SC, Tamaru S, Takamura M, Namba A, Kajihara T, Ishihara O, Kamei Y (2024) Assisted reproductive technology-associated risk factors for placenta accreta spectrum after vaginal delivery. Sci Rep 14:7454. https:\/\/doi.org\/10.1038\/s41598-024-57988-x","journal-title":"Sci Rep"},{"key":"7935_CR12","doi-asserted-by":"publisher","first-page":"252","DOI":"10.1016\/j.fertnstert.2019.12.007","volume":"113","author":"B Singh","year":"2020","unstructured":"Singh B, Reschke L, Segars J, Baker VL (2020) Frozen-thawed embryo transfer: the potential importance of the corpus luteum in preventing obstetrical complications. Fertil Steril 113:252\u2013257. https:\/\/doi.org\/10.1016\/j.fertnstert.2019.12.007","journal-title":"Fertil Steril"},{"key":"7935_CR13","doi-asserted-by":"publisher","first-page":"680","DOI":"10.1161\/HYPERTENSIONAHA.118.12046","volume":"73","author":"F von Versen-H\u00f6ynck","year":"2019","unstructured":"von Versen-H\u00f6ynck F, Narasimhan P, Selamet Tierney ES, Martinez N, Conrad KP, Baker VL, Winn VD (2019) Absent or excessive corpus luteum number is associated with altered maternal vascular health in early pregnancy. Hypertension 73:680\u2013690. https:\/\/doi.org\/10.1161\/HYPERTENSIONAHA.118.12046","journal-title":"Hypertension"},{"key":"7935_CR14","doi-asserted-by":"publisher","first-page":"244","DOI":"10.1016\/j.placenta.2011.11.010","volume":"33","author":"E Jauniaux","year":"2012","unstructured":"Jauniaux E, Jurkovic D (2012) Placenta accreta: pathogenesis of a 20th century iatrogenic uterine disease. Placenta 33:244\u2013251. https:\/\/doi.org\/10.1016\/j.placenta.2011.11.010","journal-title":"Placenta"},{"key":"7935_CR15","doi-asserted-by":"publisher","first-page":"1772","DOI":"10.1111\/jog.14727","volume":"47","author":"S Furuya","year":"2021","unstructured":"Furuya S, Kubonoya K, Yamaguchi T (2021) Incidence and risk factors for velamentous umbilical cord insertion in singleton pregnancies after assisted reproductive technology. J Obstet Gynaecol Res 47:1772\u20131779. https:\/\/doi.org\/10.1111\/jog.14727","journal-title":"J Obstet Gynaecol Res"},{"key":"7935_CR16","doi-asserted-by":"publisher","first-page":"1722","DOI":"10.3390\/biomedicines10071722","volume":"10","author":"S Matsuzaki","year":"2022","unstructured":"Matsuzaki S, Ueda Y, Matsuzaki S, Nagase Y, Kakuda M, Lee M, Maeda M, Kurahashi H, Hayashida H, Hisa T, Mabuchi S, Kamiura S (2022) Assisted reproductive technique and abnormal cord insertion: a systematic review and meta-analysis. Biomedicines 10:1722. https:\/\/doi.org\/10.3390\/biomedicines10071722","journal-title":"Biomedicines"},{"key":"7935_CR17","doi-asserted-by":"publisher","first-page":"1202044","DOI":"10.3389\/fendo.2023.1202044","volume":"14","author":"F Wang","year":"2023","unstructured":"Wang F, Wang Q, Song Y, Ding J, Li H, Meng Q (2023) Programmed frozen embryo transfer cycles are associated with a higher risk of abnormal placental development: a retrospective cohort study of singleton live births. Front Endocrinol Lausanne 14:1202044. https:\/\/doi.org\/10.3389\/fendo.2023.1202044","journal-title":"Front Endocrinol Lausanne"},{"key":"7935_CR18","doi-asserted-by":"publisher","first-page":"887","DOI":"10.1007\/s00404-022-06588-z","volume":"306","author":"E Kadour-Peero","year":"2022","unstructured":"Kadour-Peero E, Feferkorn I, Bellemare V, Arab S, Buckett W (2022) A comparison of frozen-thawed embryo transfer protocols in 2920 single-blastocyst transfers. Arch Gynecol Obstet 306:887\u2013892. https:\/\/doi.org\/10.1007\/s00404-022-06588-z","journal-title":"Arch Gynecol Obstet"},{"key":"7935_CR19","doi-asserted-by":"publisher","first-page":"2001","DOI":"10.1007\/s00404-023-07019-3","volume":"307","author":"V Holschbach","year":"2023","unstructured":"Holschbach V, Kordes H, Dietrich JE, Bruckner T, Strowitzki T, Germeyer A (2023) Patient- and cycle-specific factors affecting the outcome of frozen-thawed embryo transfers. Arch Gynecol Obstet 307:2001\u20132010. https:\/\/doi.org\/10.1007\/s00404-023-07019-3","journal-title":"Arch Gynecol Obstet"},{"key":"7935_CR20","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD003414.pub3","author":"T Ghobara","year":"2017","unstructured":"Ghobara T, Gelbaya TA, Ayeleke RO (2017) Cycle regimens for frozen-thawed embryo transfer. Cochrane Database Syst Rev. https:\/\/doi.org\/10.1002\/14651858.CD003414.pub3","journal-title":"Cochrane Database Syst Rev"},{"key":"7935_CR21","doi-asserted-by":"publisher","first-page":"2234","DOI":"10.1093\/humrep\/dex285","volume":"32","author":"S Mackens","year":"2017","unstructured":"Mackens S, Santos-Ribeiro S, van de Vijver A, Racca A, Van Landuyt L, Tournaye H, Blockeel C (2017) Frozen embryo transfer: a review on the optimal endometrial preparation and timing. Hum Reprod 32:2234\u20132242. https:\/\/doi.org\/10.1093\/humrep\/dex285","journal-title":"Hum Reprod"},{"key":"7935_CR22","doi-asserted-by":"publisher","first-page":"100","DOI":"10.1016\/j.ejogrb.2019.05.018","volume":"238","author":"Y Melcer","year":"2019","unstructured":"Melcer Y, Pekar-Zlotin M, Wolf B, Betser M, Dvash S, Zilberman Sharon N, Maymon R (2019) Is scanning for vasa previa important for singleton pregnancies that started as multiple conceptions? Eur J Obstet Gynecol Reprod Biol 238:100\u2013103. https:\/\/doi.org\/10.1016\/j.ejogrb.2019.05.018","journal-title":"Eur J Obstet Gynecol Reprod Biol"},{"key":"7935_CR23","doi-asserted-by":"publisher","first-page":"33","DOI":"10.14390\/jsshp.HRP2018-014","volume":"6","author":"K Watanabe","year":"2018","unstructured":"Watanabe K, Matsubara K, Nakamoto O, Ushijima J, Ohkuchi A, Koide K, Makino S, Mimura K, Morikawa M, Naruse K, Tanaka K, Nohira T, Metoki H, Kawabata I, Takeda S, Seki H, Takagi K, Yamasaki M, Ichihara A, Kimura T, Saito S (2018) Outline of the new definition and classification of \u201chypertensive disorders of pregnancy (HDP)\u201d; a revised JSSHP statement of 2005. Hypertens Res Pregnancy 6:33\u201337. https:\/\/doi.org\/10.14390\/jsshp.HRP2018-014","journal-title":"Hypertens Res Pregnancy"},{"key":"7935_CR24","doi-asserted-by":"publisher","first-page":"20","DOI":"10.1002\/ijgo.12761","volume":"146","author":"Jauniaux E, Ayres-de-Campos D, Langhoff-Roos J, Fox KA, Collins S, FIGO Placenta Accreta Diagnosis and Management Expert Consensus Panel","year":"2019","unstructured":"Jauniaux E, Ayres-de-Campos D, Langhoff-Roos J, Fox KA, Collins S, FIGO Placenta Accreta Diagnosis and Management Expert Consensus Panel (2019) FIGO classification for the clinical diagnosis of placenta accreta spectrum disorders. Int J Gynaecol Obstet 146:20\u201324. https:\/\/doi.org\/10.1002\/ijgo.12761","journal-title":"Int J Gynaecol Obstet"},{"key":"7935_CR25","doi-asserted-by":"publisher","first-page":"452","DOI":"10.1038\/bmt.2012.244","volume":"48","author":"Y Kanda","year":"2013","unstructured":"Kanda Y (2013) Investigation of the freely available easy-to-use software \u2018EZR\u2019 for medical statistics. Bone Marrow Transp 48:452\u2013458. https:\/\/doi.org\/10.1038\/bmt.2012.244","journal-title":"Bone Marrow Transp"},{"key":"7935_CR26","doi-asserted-by":"publisher","first-page":"1909","DOI":"10.1007\/s10815-021-02151-y","volume":"38","author":"BD Pier","year":"2021","unstructured":"Pier BD, Havemann LM, Quaas AM, Heitmann RJ (2021) Frozen-thawed embryo transfers: time to adopt a more \u201cnatural\u201d approach? J Assist Reprod Genet 38:1909\u20131911. https:\/\/doi.org\/10.1007\/s10815-021-02151-y","journal-title":"J Assist Reprod Genet"},{"key":"7935_CR27","doi-asserted-by":"publisher","first-page":"680","DOI":"10.1016\/j.fertnstert.2018.05.013","volume":"110","author":"S Alur-Gupta","year":"2018","unstructured":"Alur-Gupta S, Hopeman M, Berger DS, Gracia C, Barnhart KT, Coutifaris C, Senapati S (2018) Impact of method of endometrial preparation for frozen blastocyst transfer on pregnancy outcome: a retrospective cohort study. Fertil Steril 110:680\u2013686. https:\/\/doi.org\/10.1016\/j.fertnstert.2018.05.013","journal-title":"Fertil Steril"},{"key":"7935_CR28","doi-asserted-by":"publisher","first-page":"1715","DOI":"10.3390\/medicina59101715","volume":"59","author":"E Fukuda","year":"2023","unstructured":"Fukuda E, Hamuro A, Kitada K, Kurihara Y, Tahara M, Misugi T, Nakano A, Tamaue M, Shinomiya S, Yoshida H, Koyama M, Tachibana D (2023) The impact of assisted reproductive technology on umbilical cord insertion: increased risk of velamentous cord insertion in singleton pregnancies conceived through ICSI. Medicina Kaunas 59:1715. https:\/\/doi.org\/10.3390\/medicina59101715","journal-title":"Medicina Kaunas"},{"key":"7935_CR29","doi-asserted-by":"publisher","first-page":"155","DOI":"10.1093\/oxfordjournals.humrep.a136500","volume":"2","author":"Y Englert","year":"1987","unstructured":"Englert Y, Imbert MC, Van Rosendael E, Belaisch J, Segal L, Feichtinger W, Wilkin P, Frydman R, Leroy F (1987) Morphological anomalies in the placentae of IVF pregnancies: preliminary report of a multicentric study. Hum Reprod 2:155\u2013157. https:\/\/doi.org\/10.1093\/oxfordjournals.humrep.a136500","journal-title":"Hum Reprod"},{"key":"7935_CR30","doi-asserted-by":"publisher","first-page":"147","DOI":"10.1186\/s13643-020-01355-0","volume":"9","author":"A Buchanan-Hughes","year":"2020","unstructured":"Buchanan-Hughes A, Bobrowska A, Visintin C, Attilakos G, Marshall J (2020) Velamentous cord insertion: results from a rapid review of incidence, risk factors, adverse outcomes and screening. Syst Rev 9:147. https:\/\/doi.org\/10.1186\/s13643-020-01355-0","journal-title":"Syst Rev"},{"key":"7935_CR31","doi-asserted-by":"publisher","first-page":"1396","DOI":"10.3390\/jcm13051396","volume":"13","author":"A Somiya","year":"2024","unstructured":"Somiya A, Tsuda H, Tsugeno E, Nakamura Y, Kuroyanagi M, Araki H, Masahashi Y, Suzuki M, Fukuhara N, Ito Y, Tezuka A, Ando T, Mizuno K (2024) Prevalence, risk factors, and perinatal outcomes of velamentous umbilical cord insertion in twin pregnancies: a single-center retrospective study. J Clin Med 13:1396. https:\/\/doi.org\/10.3390\/jcm13051396","journal-title":"J Clin Med"},{"key":"7935_CR32","doi-asserted-by":"publisher","first-page":"673","DOI":"10.1016\/j.fertnstert.2020.06.017","volume":"115","author":"A Volodarsky-Perel","year":"2021","unstructured":"Volodarsky-Perel A, Ton Nu TN, Buckett W, Machado-Gedeon A, Cui Y, Shaul J, Dahan MH (2021) Effect of embryo stage at transfer on placental histopathology features in singleton live births resulting from fresh embryo transfers. Fertil Steril 115:673\u2013682. https:\/\/doi.org\/10.1016\/j.fertnstert.2020.06.017","journal-title":"Fertil Steril"},{"key":"7935_CR33","doi-asserted-by":"publisher","first-page":"431","DOI":"10.1007\/s10815-017-1084-2","volume":"35","author":"A Yanaihara","year":"2018","unstructured":"Yanaihara A, Hatakeyama S, Ohgi S, Motomura K, Taniguchi R, Hirano A, Takenaka S, Yanaihara T (2018) Difference in the size of the placenta and umbilical cord between women with natural pregnancy and those with IVF pregnancy. J Assist Reprod Genet 35:431\u2013434. https:\/\/doi.org\/10.1007\/s10815-017-1084-2","journal-title":"J Assist Reprod Genet"},{"key":"7935_CR34","doi-asserted-by":"publisher","first-page":"453","DOI":"10.3109\/15513819309048235","volume":"13","author":"P Gavriil","year":"1993","unstructured":"Gavriil P, Jauniaux E, Leroy F (1993) Pathologic examination of placentas from singleton and twin pregnancies obtained after in vitro fertilization and embryo transfer. Pediatr Pathol 13:453\u2013462. https:\/\/doi.org\/10.3109\/15513819309048235","journal-title":"Pediatr Pathol"},{"key":"7935_CR35","first-page":"61","volume":"76","author":"E Jauniaux","year":"1990","unstructured":"Jauniaux E, Englert Y, Vanesse M, Hiden M, Wilkin P (1990) Pathologic features of placentas from singleton pregnancies obtained by in vitro fertilization and embryo transfer. Obstet Gynecol 76:61\u201364","journal-title":"Obstet Gynecol"},{"key":"7935_CR36","doi-asserted-by":"publisher","first-page":"1799","DOI":"10.1007\/s10815-018-1244-z","volume":"35","author":"S Senapati","year":"2018","unstructured":"Senapati S, Wang F, Ord T, Coutifaris C, Feng R, Mainigi M (2018) Superovulation alters the expression of endometrial genes critical to tissue remodeling and placentation. J Assist Reprod Genet 35:1799\u20131808. https:\/\/doi.org\/10.1007\/s10815-018-1244-z","journal-title":"J Assist Reprod Genet"},{"key":"7935_CR37","doi-asserted-by":"publisher","first-page":"37","DOI":"10.1016\/j.placenta.2019.02.013","volume":"84","author":"EA Rhon-Calderon","year":"2019","unstructured":"Rhon-Calderon EA, Vrooman LA, Riesche L, Bartolomei MS (2019) The effects of assisted reproductive technologies on genomic imprinting in the placenta. Placenta 84:37\u201343. https:\/\/doi.org\/10.1016\/j.placenta.2019.02.013","journal-title":"Placenta"},{"key":"7935_CR38","doi-asserted-by":"publisher","first-page":"36","DOI":"10.1016\/j.fertnstert.2023.10.028","volume":"121","author":"Y Meng","year":"2024","unstructured":"Meng Y, Chen H, Zhang X, Lin X, Ou J, Xing W (2024) Thick endometrium is associated with hypertensive disorders of pregnancy in programmed frozen-thawed embryo transfers: a retrospective analysis of 2,275 singleton deliveries. Fertil Steril 121:36\u201345. https:\/\/doi.org\/10.1016\/j.fertnstert.2023.10.028","journal-title":"Fertil Steril"},{"key":"7935_CR39","doi-asserted-by":"publisher","first-page":"112","DOI":"10.1016\/0029-7844(95)00339-8","volume":"87","author":"S Heinonen","year":"1996","unstructured":"Heinonen S, Ryyn\u00e4nen M, Kirkinen P, Saarikoski S (1996) Perinatal diagnostic evaluation of velamentous umbilical cord insertion: clinical, Doppler, and ultrasonic findings. Obstet Gynecol 87:112\u2013117. https:\/\/doi.org\/10.1016\/0029-7844(95)00339-8","journal-title":"Obstet Gynecol"},{"key":"7935_CR40","doi-asserted-by":"publisher","first-page":"947","DOI":"10.1016\/j.fertnstert.2020.10.039","volume":"115","author":"LL Asserh\u00f8j","year":"2021","unstructured":"Asserh\u00f8j LL, Spangmose AL, Aaris Henningsen AK, Clausen TD, Ziebe S, Jensen RB, Pinborg A (2021) Adverse obstetric and perinatal outcomes in 1,136 singleton pregnancies conceived after programmed frozen embryo transfer (FET) compared with natural cycle FET. Fertil Steril 115:947\u2013956. https:\/\/doi.org\/10.1016\/j.fertnstert.2020.10.039","journal-title":"Fertil Steril"},{"key":"7935_CR41","doi-asserted-by":"publisher","first-page":"1567","DOI":"10.1093\/humrep\/dez079","volume":"34","author":"K Saito","year":"2019","unstructured":"Saito K, Kuwahara A, Ishikawa T, Morisaki N, Miyado M, Miyado K, Fukami M, Miyasaka N, Ishihara O, Irahara M, Saito H (2019) Endometrial preparation methods for frozen-thawed embryo transfer are associated with altered risks of hypertensive disorders of pregnancy, placenta accreta, and gestational diabetes mellitus. Hum Reprod 34:1567\u20131575. https:\/\/doi.org\/10.1093\/humrep\/dez079","journal-title":"Hum Reprod"},{"key":"7935_CR42","doi-asserted-by":"publisher","first-page":"1619","DOI":"10.1093\/humrep\/deac073","volume":"37","author":"A Busnelli","year":"2022","unstructured":"Busnelli A, Schirripa I, Fedele F, Bulfoni A, Levi-Setti PE (2022) Obstetric and perinatal outcomes following programmed compared to natural frozen-thawed embryo transfer cycles: a systematic review and meta-analysis. Hum Reprod 37:1619\u20131641. https:\/\/doi.org\/10.1093\/humrep\/deac073","journal-title":"Hum Reprod"},{"key":"7935_CR43","doi-asserted-by":"publisher","first-page":"458","DOI":"10.1093\/humupd\/dmt030","volume":"19","author":"ER Groenewoud","year":"2013","unstructured":"Groenewoud ER, Cantineau AE, Kollen BJ, Macklon NS, Cohlen BJ (2013) What is the optimal means of preparing the endometrium in frozen-thawed embryo transfer cycles? A systematic review and meta-analysis. Hum Reprod Update 19:458\u2013470. https:\/\/doi.org\/10.1093\/humupd\/dmt030","journal-title":"Hum Reprod Update"},{"key":"7935_CR44","doi-asserted-by":"publisher","first-page":"138","DOI":"10.1016\/j.mce.2011.10.014","volume":"349","author":"JZ Chen","year":"2012","unstructured":"Chen JZ, Sheehan PM, Brennecke SP, Keogh RJ (2012) Vessel remodelling, pregnancy hormones and extravillous trophoblast function. Mol Cell Endocrinol 349:138\u2013144. https:\/\/doi.org\/10.1016\/j.mce.2011.10.014","journal-title":"Mol Cell Endocrinol"},{"key":"7935_CR45","doi-asserted-by":"publisher","first-page":"194","DOI":"10.1016\/j.ejogrb.2024.02.040","volume":"296","author":"T Fujita","year":"2024","unstructured":"Fujita T, Yoshizato T, Mitao H, Shimomura T, Kuramoto T, Obara H, Ide H, Koga F, Kojima K, Nomiyama M, Fukagawa M, Nagata Y, Tanaka A, Yuki H, Utsunomiya T, Matsubayashi H, Oka C, Yano K, Shiotani M, Fukuda M, Hirai H, Kakuma T, Ushijima K (2024) Risk factors for placenta accreta spectrum in pregnancies conceived after frozen-thawed embryo transfer in a hormone replacement cycle. Eur J Obstet Gynecol Reprod Biol 296:194\u2013199. https:\/\/doi.org\/10.1016\/j.ejogrb.2024.02.040","journal-title":"Eur J Obstet Gynecol Reprod Biol"},{"key":"7935_CR46","doi-asserted-by":"publisher","first-page":"1487","DOI":"10.1016\/j.fertnstert.2020.12.016","volume":"115","author":"KL Hu","year":"2021","unstructured":"Hu KL, Zhang D, Li R (2021) Endometrium preparation and perinatal outcomes in women undergoing single-blastocyst transfer in frozen cycles. Fertil Steril 115:1487\u20131494. https:\/\/doi.org\/10.1016\/j.fertnstert.2020.12.016","journal-title":"Fertil Steril"},{"key":"7935_CR47","doi-asserted-by":"publisher","first-page":"R69","DOI":"10.1152\/ajpregu.00239.2012","volume":"304","author":"KP Conrad","year":"2013","unstructured":"Conrad KP, Baker VL (2013) Corpus luteal contribution to maternal pregnancy physiology and outcomes in assisted reproductive technologies. Am J Physiol Regul Integr Comp Physiol 304:R69\u2013R72. https:\/\/doi.org\/10.1152\/ajpregu.00239.2012","journal-title":"Am J Physiol Regul Integr Comp Physiol"},{"key":"7935_CR48","doi-asserted-by":"publisher","first-page":"627","DOI":"10.1210\/jcem-68-3-627","volume":"68","author":"FS Khan-Dawood","year":"1989","unstructured":"Khan-Dawood FS, Goldsmith LT, Weiss G, Dawood MY (1989) Human corpus luteum secretion of relaxin, oxytocin, and progesterone. J Clin Endocrinol Metab 68:627\u2013631. https:\/\/doi.org\/10.1210\/jcem-68-3-627","journal-title":"J Clin Endocrinol Metab"},{"key":"7935_CR49","doi-asserted-by":"publisher","first-page":"R267","DOI":"10.1152\/ajpregu.00156.2011","volume":"301","author":"KP Conrad","year":"2011","unstructured":"Conrad KP (2011) Maternal vasodilation in pregnancy: the emerging role of relaxin. Am J Physiol Regul Integr Comp Physiol 301:R267\u2013R275. https:\/\/doi.org\/10.1152\/ajpregu.00156.2011","journal-title":"Am J Physiol Regul Integr Comp Physiol"},{"key":"7935_CR50","doi-asserted-by":"publisher","first-page":"9174521","DOI":"10.1155\/2019\/9174521","volume":"2019","author":"S Mendes","year":"2019","unstructured":"Mendes S, Tim\u00f3teo-Ferreira F, Almeida H, Silva E (2019) New insights into the process of placentation and the role of oxidative uterine microenvironment. Oxid Med Cell Longev 2019:9174521. https:\/\/doi.org\/10.1155\/2019\/9174521","journal-title":"Oxid Med Cell Longev"},{"key":"7935_CR51","doi-asserted-by":"publisher","first-page":"259","DOI":"10.1016\/j.repbio.2013.08.002","volume":"13","author":"RL Stouffer","year":"2013","unstructured":"Stouffer RL, Bishop CV, Bogan RL, Xu F, Hennebold JD (2013) Endocrine and local control of the primate corpus luteum. Reprod Biol 13:259\u2013271. https:\/\/doi.org\/10.1016\/j.repbio.2013.08.002","journal-title":"Reprod Biol"},{"key":"7935_CR52","doi-asserted-by":"publisher","first-page":"2039","DOI":"10.1093\/humrep\/dead153","volume":"38","author":"C Massarotti","year":"2023","unstructured":"Massarotti C, Ammar OF, Liperis G, Uraji J, Drakopoulos P, Labarta E, Maheshwari A, Cheong Y, Makieva S, Fraire-Zamora JJ (2023) Progesterone in HRT-FET cycles: a game of hide and seek. Hum Reprod 38:2039\u20132043. https:\/\/doi.org\/10.1093\/humrep\/dead153","journal-title":"Hum Reprod"}],"container-title":["Archives of Gynecology and Obstetrics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00404-025-07935-6.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00404-025-07935-6\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00404-025-07935-6.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,26]],"date-time":"2025-04-26T19:52:17Z","timestamp":1745697137000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00404-025-07935-6"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,1,21]]},"references-count":52,"journal-issue":{"issue":"5","published-online":{"date-parts":[[2025,5]]}},"alternative-id":["7935"],"URL":"https:\/\/doi.org\/10.1007\/s00404-025-07935-6","relation":{},"ISSN":["1432-0711"],"issn-type":[{"value":"1432-0711","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,1,21]]},"assertion":[{"value":"7 August 2024","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"2 January 2025","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"21 January 2025","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors have no relevant financial or non-financial interests to disclose.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"The study protocols conformed to the provisions of the Declaration of Helsinki (revised in Tokyo, 2004) and were approved by the Kubonoya Women\u2019s Hospital Ethics Committee and Review Board, which approved the use of an electronic medical record database for this clinical study (approval no. 2024\u20131).","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"The requirement to obtain informed consent from the patients involved was waived because of the study\u2019s observational retrospective cohort design.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}},{"value":"Not applicable.","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to publish"}}]}}