{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T15:07:48Z","timestamp":1775142468033,"version":"3.50.1"},"reference-count":44,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2025,12,1]],"date-time":"2025-12-01T00:00:00Z","timestamp":1764547200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2025,12,1]],"date-time":"2025-12-01T00:00:00Z","timestamp":1764547200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2025,12,1]],"date-time":"2025-12-01T00:00:00Z","timestamp":1764547200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2025,12,1]],"date-time":"2025-12-01T00:00:00Z","timestamp":1764547200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2025,12,1]],"date-time":"2025-12-01T00:00:00Z","timestamp":1764547200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2025,12,1]],"date-time":"2025-12-01T00:00:00Z","timestamp":1764547200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2025,12,1]],"date-time":"2025-12-01T00:00:00Z","timestamp":1764547200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","ejog.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["European Journal of Obstetrics & Gynecology and Reproductive Biology"],"published-print":{"date-parts":[[2025,12]]},"DOI":"10.1016\/j.ejogrb.2025.114742","type":"journal-article","created":{"date-parts":[[2025,10,1]],"date-time":"2025-10-01T05:11:37Z","timestamp":1759295497000},"page":"114742","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":1,"special_numbering":"C","title":["Effects of the need for in-vitro fertilization to conceive on pregnancy risks in women with the polycystic ovary syndrome. Evaluation of a population database and a matched cohort"],"prefix":"10.1016","volume":"315","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8752-7678","authenticated-orcid":false,"given":"Magdalena","family":"Peeva","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ahmad","family":"Badeghiesh","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haitham","family":"Baghlaf","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8121-7708","authenticated-orcid":false,"given":"Michael H.","family":"Dahan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.ejogrb.2025.114742_b0005","doi-asserted-by":"crossref","first-page":"659","DOI":"10.1111\/obr.12829","article-title":"Increased maternal pregnancy complications in polycystic ovary syndrome appear to be independent of obesity-a systematic review, meta-analysis, and meta-regression","volume":"20","author":"Bahri Khomami","year":"2019","journal-title":"Obes Rev"},{"key":"10.1016\/j.ejogrb.2025.114742_b0010","doi-asserted-by":"crossref","first-page":"673","DOI":"10.1093\/humupd\/dml036","article-title":"A meta-analysis of pregnancy outcomes in women with polycystic ovary syndrome","volume":"12","author":"Boomsma","year":"2006","journal-title":"Hum Reprod Update"},{"key":"10.1016\/j.ejogrb.2025.114742_b0015","doi-asserted-by":"crossref","first-page":"93","DOI":"10.1055\/s-0035-1571195","article-title":"Polycystic ovary syndrome, obesity, and pregnancy","volume":"34","author":"Joham","year":"2016","journal-title":"Semin Reprod Med"},{"key":"10.1016\/j.ejogrb.2025.114742_b0020","doi-asserted-by":"crossref","first-page":"1914","DOI":"10.1093\/humrep\/deaa144","article-title":"Associations between polycystic ovary syndrome and adverse obstetric and neonatal outcomes: a population study of 9.1 million births","volume":"35","author":"Mills","year":"2020","journal-title":"Hum Reprod"},{"key":"10.1016\/j.ejogrb.2025.114742_b0025","doi-asserted-by":"crossref","first-page":"575","DOI":"10.1093\/humupd\/dmv029","article-title":"Pregnancy complications in women with polycystic ovary syndrome","volume":"21","author":"Palomba","year":"2015","journal-title":"Hum Reprod Update"},{"key":"10.1016\/j.ejogrb.2025.114742_b0030","doi-asserted-by":"crossref","first-page":"56","DOI":"10.1186\/1477-7827-11-56","article-title":"Obstetric complications in women with polycystic ovary syndrome: a systematic review and meta-analysis","volume":"11","author":"Qin","year":"2013","journal-title":"Reprod Biol Endocrinol"},{"key":"10.1016\/j.ejogrb.2025.114742_b0035","doi-asserted-by":"crossref","DOI":"10.1097\/MD.0000000000004863","article-title":"Association between polycystic ovary syndrome and the risk of pregnancy complications","volume":"95","author":"Yu","year":"2016","journal-title":"Medicine"},{"key":"10.1016\/j.ejogrb.2025.114742_b0040","doi-asserted-by":"crossref","first-page":"64","DOI":"10.1016\/S1701-2163(15)30685-X","article-title":"Pregnancy outcomes after assisted human reproduction","volume":"36","author":"Okun","year":"2014","journal-title":"J Obstet Gynaecol Can"},{"key":"10.1016\/j.ejogrb.2025.114742_b0045","doi-asserted-by":"crossref","first-page":"630","DOI":"10.1002\/bdr2.1219","article-title":"Large for gestational age and macrosomia in singletons born after frozen\/thawed embryo transfer (FET) in assisted reproductive technology (ART)","volume":"110","author":"Berntsen","year":"2018","journal-title":"Birth Defects Res"},{"key":"10.1016\/j.ejogrb.2025.114742_b0050","doi-asserted-by":"crossref","DOI":"10.3389\/fendo.2022.924070","article-title":"Placental abnormalities and placenta-related complications following in-vitro fertilization: based on national hospitalized data in China","volume":"13","author":"Kong","year":"2022","journal-title":"Front. Endocrinol. (Lausanne)"},{"key":"10.1016\/j.ejogrb.2025.114742_b0055","doi-asserted-by":"crossref","first-page":"333","DOI":"10.1016\/j.fertnstert.2017.06.015","article-title":"Increased rates of complications in singleton pregnancies of women previously diagnosed with polycystic ovary syndrome predominantly in the hyperandrogenic phenotype","volume":"108","author":"de Wilde","year":"2017","journal-title":"Fertil Steril"},{"key":"10.1016\/j.ejogrb.2025.114742_b0060","doi-asserted-by":"crossref","first-page":"3293","DOI":"10.1093\/humrep\/dei253","article-title":"Complications of IVF and ovulation induction","volume":"20","author":"Klemetti","year":"2005","journal-title":"Hum Reprod"},{"key":"10.1016\/j.ejogrb.2025.114742_b0065","doi-asserted-by":"crossref","first-page":"1666","DOI":"10.1093\/humrep\/deaa099","article-title":"Polycystic ovary syndrome as an independent risk factor for gestational diabetes and hypertensive disorders of pregnancy: a population-based study on 9.1 million pregnancies","volume":"35","author":"Mills","year":"2020","journal-title":"Hum Reprod"},{"key":"10.1016\/j.ejogrb.2025.114742_b0070","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1002\/uog.18930","article-title":"Risk of spontaneous preterm birth in singleton pregnancies conceived after IVF\/ICSI treatment: meta-analysis of cohort studies","volume":"51","author":"Cavoretto","year":"2018","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.ejogrb.2025.114742_b0075","doi-asserted-by":"crossref","first-page":"77","DOI":"10.1186\/s12884-019-2213-y","article-title":"Complications and adverse outcomes in pregnancy and childbirth among women who conceived by assisted reproductive technologies: a nationwide birth cohort study of Japan environment and children\u2019s study","volume":"19","author":"Nagata","year":"2019","journal-title":"BMC Pregnancy Childbirth"},{"key":"10.1016\/j.ejogrb.2025.114742_b0080","doi-asserted-by":"crossref","first-page":"485","DOI":"10.1093\/humupd\/dms018","article-title":"Obstetric and perinatal outcomes in singleton pregnancies resulting from IVF\/ICSI: a systematic review and meta-analysis","volume":"18","author":"Pandey","year":"2012","journal-title":"Hum Reprod Update"},{"key":"10.1016\/j.ejogrb.2025.114742_b0085","doi-asserted-by":"crossref","first-page":"73","DOI":"10.1016\/j.fertnstert.2015.09.007","article-title":"Assisted reproductive technology and the risk of pregnancy-related complications and adverse pregnancy outcomes in singleton pregnancies: a meta-analysis of cohort studies","volume":"105","author":"Qin","year":"2016","journal-title":"Fertil Steril"},{"key":"10.1016\/j.ejogrb.2025.114742_b0090","doi-asserted-by":"crossref","first-page":"1492","DOI":"10.1016\/j.fertnstert.2015.03.018","article-title":"Pregnancy-related complications and adverse pregnancy outcomes in multiple pregnancies resulting from assisted reproductive technology: a meta-analysis of cohort studies","volume":"103","author":"Qin","year":"2015","journal-title":"Fertil Steril"},{"key":"10.1016\/j.ejogrb.2025.114742_b0095","doi-asserted-by":"crossref","first-page":"1111","DOI":"10.1056\/NEJMcp2311150","article-title":"Infertility evaluation and treatment","volume":"392","author":"Santoro","year":"2025","journal-title":"N Engl J Med"},{"key":"10.1016\/j.ejogrb.2025.114742_b0100","doi-asserted-by":"crossref","first-page":"32","DOI":"10.1515\/jpm-2024-0359","article-title":"Maternal and fetal outcomes among pregnant women with endometriosis","volume":"53","author":"Abdessamie","year":"2025","journal-title":"J Perinat Med"},{"key":"10.1016\/j.ejogrb.2025.114742_b0105","doi-asserted-by":"crossref","first-page":"1365","DOI":"10.1007\/s00404-024-07678-w","article-title":"Advanced maternal age (AMA) and pregnancy: a feasible but problematic event","volume":"310","author":"Spari\u0107","year":"2024","journal-title":"Arch Gynecol Obstet"},{"key":"10.1016\/j.ejogrb.2025.114742_b0110","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0191002","article-title":"Effect of maternal age on the risk of preterm birth: a large cohort study","volume":"13","author":"Fuchs","year":"2018","journal-title":"PLoS One"},{"key":"10.1016\/j.ejogrb.2025.114742_b0115","doi-asserted-by":"crossref","first-page":"1235","DOI":"10.1111\/1471-0528.14368","article-title":"Advanced maternal age increases the risk of very preterm birth, irrespective of parity: a population\u2010based register study","volume":"124","author":"Waldenstr\u00f6m","year":"2017","journal-title":"BJOG"},{"key":"10.1016\/j.ejogrb.2025.114742_b0120","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1002\/ijgo.14100","article-title":"Maternal and perinatal complications according to maternal age: a systematic review and meta\u2010analysis","volume":"159","author":"Saccone","year":"2022","journal-title":"Int J Gynecol Obstet"},{"key":"10.1016\/j.ejogrb.2025.114742_b0125","first-page":"433","article-title":"Ethnic and racial disparities in the risk of preterm birth: a systematic review and meta-analysis","volume":"30","author":"Schaaf","year":"2013","journal-title":"Am J Perinatol"},{"key":"10.1016\/j.ejogrb.2025.114742_b0130","doi-asserted-by":"crossref","first-page":"24","DOI":"10.1016\/j.jpeds.2021.09.035","article-title":"Risk of extreme, moderate, and late preterm birth by maternal race, ethnicity, and nativity","volume":"240","author":"Egbe","year":"2022","journal-title":"J Pediatr"},{"key":"10.1016\/j.ejogrb.2025.114742_b0135","doi-asserted-by":"crossref","DOI":"10.1001\/jamanetworkopen.2024.3194","article-title":"Preterm birth risk and maternal nativity, ethnicity, and race","volume":"7","author":"Barreto","year":"2024","journal-title":"JAMA Netw Open"},{"key":"10.1016\/j.ejogrb.2025.114742_b0140","doi-asserted-by":"crossref","DOI":"10.1001\/jamanetworkopen.2024.15921","article-title":"Preterm birth, family income, and intergenerational income mobility","volume":"7","author":"Ahmed","year":"2024","journal-title":"JAMA Netw Open"},{"key":"10.1016\/j.ejogrb.2025.114742_b0145","doi-asserted-by":"crossref","first-page":"164","DOI":"10.1007\/s10995-015-1816-9","article-title":"Preterm birth in the context of increasing income inequality","volume":"20","author":"Wallace","year":"2016","journal-title":"Matern Child Health J"},{"key":"10.1016\/j.ejogrb.2025.114742_b0150","doi-asserted-by":"crossref","first-page":"313","DOI":"10.1093\/humrep\/del128","article-title":"Placental pathology of recurrent spontaneous abortion: the role of histopathological examination of products of conception in routine clinical practice: a mini review","volume":"22","author":"Jindal","year":"2007","journal-title":"Hum Reprod"},{"key":"10.1016\/j.ejogrb.2025.114742_b0155","first-page":"2829","article-title":"Placental characteristics in women with polycystic ovary syndrome","volume":"30","author":"Koster","year":"2015","journal-title":"Hum Reprod"},{"key":"10.1016\/j.ejogrb.2025.114742_b0160","doi-asserted-by":"crossref","first-page":"2838","DOI":"10.1093\/humrep\/det250","article-title":"Macroscopic and microscopic findings of the placenta in women with polycystic ovary syndrome","volume":"28","author":"Palomba","year":"2013","journal-title":"Hum Reprod"},{"key":"10.1016\/j.ejogrb.2025.114742_b0165","doi-asserted-by":"crossref","DOI":"10.3389\/fendo.2024.1327849","article-title":"Causal relationships exist between polycystic ovary syndrome and adverse pregnancy and perinatal outcomes: a Mendelian randomization study","volume":"15","author":"Ma","year":"2024","journal-title":"Front Endocrinol (Lausanne)"},{"key":"10.1016\/j.ejogrb.2025.114742_b0170","doi-asserted-by":"crossref","DOI":"10.1186\/s12958-016-0211-8","article-title":"Risk of adverse pregnancy and perinatal outcomes after high technology infertility treatment: a comprehensive systematic review","volume":"14","author":"Palomba","year":"2016","journal-title":"Reprod Biol Endocrinol"},{"key":"10.1016\/j.ejogrb.2025.114742_b0175","doi-asserted-by":"crossref","first-page":"209","DOI":"10.1111\/1471-0528.15227","article-title":"Are singleton pregnancies after assisted reproduction technology (ART) associated with a higher risk of placental anomalies compared with non\u2010ART singleton pregnancies? A systematic review and meta-analysis","volume":"126","author":"Vermey","year":"2019","journal-title":"BJOG"},{"issue":"106","key":"10.1016\/j.ejogrb.2025.114742_b0180","first-page":"1039","article-title":"Assisted reproductive technology and pregnancy outcome","volume":"2005","author":"Shevell","year":"1953","journal-title":"Obstet Gynecol (New York)"},{"key":"10.1016\/j.ejogrb.2025.114742_b0185","doi-asserted-by":"crossref","first-page":"2353","DOI":"10.1093\/humrep\/del153","article-title":"Increased risk of placenta previa in pregnancies following IVF\/ICSI; a comparison of ART and non-ART pregnancies in the same mother","volume":"21","author":"Romundstad","year":"2006","journal-title":"Hum Reprod"},{"key":"10.1016\/j.ejogrb.2025.114742_b0190","doi-asserted-by":"crossref","first-page":"993","DOI":"10.1016\/j.fertnstert.2017.09.014","article-title":"Perinatal outcomes after natural conception versus in vitro fertilization (IVF) in gestational surrogates: a model to evaluate IVF treatment versus maternal effects","volume":"108","author":"Woo","year":"2017","journal-title":"Fertil Steril"},{"key":"10.1016\/j.ejogrb.2025.114742_b0195","doi-asserted-by":"crossref","first-page":"363","DOI":"10.1016\/j.fertnstert.2016.04.023","article-title":"Are intracytoplasmic sperm injection and high serum estradiol compounding risk factors for adverse obstetric outcomes in assisted reproductive technology?","volume":"106","author":"Royster","year":"2016","journal-title":"Fertil Steril"},{"key":"10.1016\/j.ejogrb.2025.114742_b0200","doi-asserted-by":"crossref","first-page":"331","DOI":"10.1016\/j.rbmo.2010.04.022","article-title":"High serum oestradiol concentrations in IVF cycles increase the risk of pregnancy complications related to abnormal placentation","volume":"21","author":"Farhi","year":"2010","journal-title":"Reprod Biomed Online"},{"key":"10.1016\/j.ejogrb.2025.114742_b0205","doi-asserted-by":"crossref","first-page":"1932","DOI":"10.1007\/s43032-020-00212-8","article-title":"Regulation of uterine spiral artery remodeling: a review","volume":"27","author":"Albrecht","year":"2020","journal-title":"Reprod Sci"},{"key":"10.1016\/j.ejogrb.2025.114742_b0210","doi-asserted-by":"crossref","first-page":"659","DOI":"10.3390\/ijms23020659","article-title":"Placental dysfunction in assisted reproductive pregnancies: perinatal, neonatal and adult life outcomes","volume":"23","author":"Manna","year":"2022","journal-title":"Int J Mol Sci"},{"key":"10.1016\/j.ejogrb.2025.114742_b0215","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1155\/2014\/431797","article-title":"Singleton pregnancy outcomes after in vitro fertilization with fresh or frozen-thawed embryo transfer and incidence of placenta praevia","volume":"2014","author":"Korosec","year":"2014","journal-title":"Biomed Res Int"},{"key":"10.1016\/j.ejogrb.2025.114742_b0220","doi-asserted-by":"crossref","first-page":"281","DOI":"10.1016\/j.rbmo.2019.03.203","article-title":"A meta-analysis of pregnancy-related outcomes and complications in women with polycystic ovary syndrome undergoing IVF","volume":"39","author":"Sha","year":"2019","journal-title":"Reprod Biomed Online"}],"container-title":["European Journal of Obstetrics & Gynecology and Reproductive Biology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0301211525010188?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0301211525010188?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,12,10]],"date-time":"2025-12-10T03:39:26Z","timestamp":1765337966000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0301211525010188"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,12]]},"references-count":44,"alternative-id":["S0301211525010188"],"URL":"https:\/\/doi.org\/10.1016\/j.ejogrb.2025.114742","relation":{},"ISSN":["0301-2115"],"issn-type":[{"value":"0301-2115","type":"print"}],"subject":[],"published":{"date-parts":[[2025,12]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Effects of the need for in-vitro fertilization to conceive on pregnancy risks in women with the polycystic ovary syndrome. Evaluation of a population database and a matched cohort","name":"articletitle","label":"Article Title"},{"value":"European Journal of Obstetrics & Gynecology and Reproductive Biology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ejogrb.2025.114742","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2025 Published by Elsevier B.V.","name":"copyright","label":"Copyright"}],"article-number":"114742"}}