{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T23:05:19Z","timestamp":1789081519104,"version":"build-2803163510"},"reference-count":12,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2017,11,29]],"date-time":"2017-11-29T00:00:00Z","timestamp":1511913600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Reprod Medicine &amp; Biology"],"published-print":{"date-parts":[[2018,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The Japan Society of Obstetrics and Gynecology (<jats:styled-content style=\"fixed-case\">JSOG<\/jats:styled-content>) implemented an assisted reproductive technology (<jats:styled-content style=\"fixed-case\">ART<\/jats:styled-content>) registry system in 1986. Here are reported the characteristics and treatment outcomes of <jats:styled-content style=\"fixed-case\">ART<\/jats:styled-content> cycles that were registered in 2015.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p><jats:styled-content style=\"fixed-case\">JSOG<\/jats:styled-content> has requested all participating <jats:styled-content style=\"fixed-case\">ART<\/jats:styled-content> facilities to register cycle\u2010specific information for all <jats:styled-content style=\"fixed-case\">ART<\/jats:styled-content> cycles since 2007. A descriptive analysis was performed by using the registry database for 2015.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In total, 424\u00a0151 cycles and 51\u00a0001 neonates (1 in 19.7 neonates born in Japan) were registered in 2015. The patients\u2019 mean age was 38.2\u00a0years (standard deviation\u00a0=\u00a04.5). Among the fresh cycles, 94\u00a0158 of 244\u00a0718 (38.5%) egg retrieval cycles were cycles with freeze\u2010all embryos or oocytes, while fresh embryo transfer (<jats:styled-content style=\"fixed-case\">ET<\/jats:styled-content>) was performed in 70\u00a0254 cycles, signaling a decrease from 2014. There were 169\u00a0898 frozen\u2010thawed <jats:styled-content style=\"fixed-case\">ET<\/jats:styled-content> cycles, resulting in 56\u00a0355 pregnancies and 40\u00a0599 neonates. Single <jats:styled-content style=\"fixed-case\">ET<\/jats:styled-content> was performed at a rate of 79.7% for fresh and 81.8% for frozen cycles and the singleton pregnancy\/live birth rates were 96.9%\/96.5% and 96.8%\/96.4% for the respective cycles.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The total <jats:styled-content style=\"fixed-case\">ART<\/jats:styled-content> cycles and live births resulting from <jats:styled-content style=\"fixed-case\">ART<\/jats:styled-content> has been increasing in Japan. Single <jats:styled-content style=\"fixed-case\">ET<\/jats:styled-content> was performed at a rate of almost 80% and <jats:styled-content style=\"fixed-case\">ET<\/jats:styled-content> cycles have shifted from fresh to frozen cycles.<\/jats:p><\/jats:sec>","DOI":"10.1002\/rmb2.12074","type":"journal-article","created":{"date-parts":[[2017,11,29]],"date-time":"2017-11-29T17:34:24Z","timestamp":1511976864000},"page":"20-28","source":"Crossref","is-referenced-by-count":41,"title":["Assisted reproductive technology in Japan: a summary report for 2015 by The Ethics Committee of The Japan Society of Obstetrics and Gynecology"],"prefix":"10.1002","volume":"17","author":[{"given":"Hidekazu","family":"Saito","sequence":"first","affiliation":[{"name":"Division of Reproductive Medicine Center of Maternal\u2010Fetal, Neonatal, and Reproductive Medicine National Center for Child Health and Development  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8815-5714","authenticated-orcid":false,"given":"Seung Chik","family":"Jwa","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Saitama Medical University  Saitama Japan"},{"name":"Sora no Mori Clinic  Okinawa Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akira","family":"Kuwahara","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Graduate School of Biomedical Sciences Tokushima University  Tokushima Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0597-9479","authenticated-orcid":false,"given":"Kazuki","family":"Saito","sequence":"additional","affiliation":[{"name":"Department of Comprehensive Reproductive Medicine Graduate School Tokyo Medical and Dental University  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1012-1557","authenticated-orcid":false,"given":"Tomonori","family":"Ishikawa","sequence":"additional","affiliation":[{"name":"Department of Comprehensive Reproductive Medicine Graduate School Tokyo Medical and Dental University  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Osamu","family":"Ishihara","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Saitama Medical University  Saitama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koji","family":"Kugu","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Tokyo Metropolitan Bokutoh Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rintaro","family":"Sawa","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Nippon Medical School  Tokyo Japan"},{"name":"Japan Medical Association Research Institute  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kouji","family":"Banno","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology School of Medicine Keio University  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Minoru","family":"Irahara","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Graduate School of Biomedical Sciences Tokushima University  Tokushima Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,11,29]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(78)92957-4"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1093\/humrep\/dew082"},{"key":"e_1_2_7_4_1","first-page":"439","article-title":"Pregnancy achieved through in vitro fertilization and embryo transfer","volume":"28","author":"Suzuki M","year":"1983","journal-title":"Jpn J Fert Steril"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/rmb2.12014"},{"key":"e_1_2_7_6_1","unstructured":"Annual Report for Viatal Statistics.2015.Ministry of Health Labour and Welfare Japan. Available at:http:\/\/www.mhlw.go.jp\/toukei\/saikin\/hw\/jinkou\/kakutei15\/index.htmlAccessed December 5 2016 (in Japanese)."},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10815-014-0181-8"},{"key":"e_1_2_7_8_1","doi-asserted-by":"crossref","first-page":"e3","DOI":"10.1016\/j.fertnstert.2015.10.002","article-title":"Impact of single embryo transfer policy on perinatal outcomes in fresh and frozen cycles \u2013 analysis of the Japanese Assisted Reproduction Technology registry between 2007 and 2012","volume":"105","author":"Takeshima K","year":"2016","journal-title":"Fertil Steril"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1093\/humupd\/dms044"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2009.05.091"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2015.01.045"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2016.05.026"},{"key":"e_1_2_7_13_1","doi-asserted-by":"crossref","first-page":"e2","DOI":"10.1016\/j.fertnstert.2016.04.042","article-title":"Validation of birth outcomes from the Society for Assisted Reproductive Technology Clinic Outcome Reporting System (SART CORS): population\u2010based analysis from the Massachusetts Outcome Study of Assisted Reproductive Technology (MOSART)","volume":"106","author":"Stern JE","year":"2016","journal-title":"Fertil Steril"}],"container-title":["Reproductive Medicine and Biology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Frmb2.12074","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/rmb2.12074","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,28]],"date-time":"2023-09-28T16:27:18Z","timestamp":1695918438000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/rmb2.12074"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,11,29]]},"references-count":12,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2018,1]]}},"alternative-id":["10.1002\/rmb2.12074"],"URL":"https:\/\/doi.org\/10.1002\/rmb2.12074","archive":["Portico"],"relation":{},"ISSN":["1445-5781","1447-0578"],"issn-type":[{"value":"1445-5781","type":"print"},{"value":"1447-0578","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,11,29]]}}}