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A 33\u2010year\u2010old woman presented with anovulatory, clomiphene\u2010resistant polycystic ovary syndrome, and 1\u2010year history of infertility. Thirty\u2010seven immature oocytes were retrieved and multiperforation of ovaries was performed at the same time by laparoendoscopic single\u2010site surgery. Twenty\u2010three oocytes reached metaphase <jats:styled-content style=\"fixed-case\">II<\/jats:styled-content> after 24\u2010h culture in <jats:italic>in vitro<\/jats:italic> maturation medium, which was followed by intracytoplasmic sperm injection. Eventually, seven embryos were vitrified and spontaneous ovulation was restored after the operation. Although the first single frozen\u2013thawed blastocyst transferred in a natural cycle ended up a biochemical pregnancy, the second frozen\u2013thawed blastocyst transfer resulted in successful pregnancy, followed by live birth of a healthy male infant.<\/jats:p>","DOI":"10.1111\/jog.12365","type":"journal-article","created":{"date-parts":[[2014,4,23]],"date-time":"2014-04-23T04:12:46Z","timestamp":1398226366000},"page":"1431-1435","source":"Crossref","is-referenced-by-count":2,"title":["Concomitant ovarian drilling and oocyte retrieval by laparoendoscopic single\u2010site surgery led to live birth using <i>in vitro<\/i> maturation of oocyte and transfer of frozen\u2013thawed blastocyst in woman with polycystic ovary syndrome"],"prefix":"10.1111","volume":"40","author":[{"given":"Tetsuya","family":"Hirata","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology Faculty of Medicine University of Tokyo  Tokyo 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