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Patients with PCOS undergoing IVF cycles after having been treated with IVM unsuccessfully were included as the study group and an IVF\u2010procedure data\u2010matched control group of patients undergoing their first IVF cycles was included in a 1:4 ratio. Patients with reproductive anomalies were excluded. Endocrine\u2010hormone levels and antral follicle counts were measured and fertilization\u2010related outcomes were evaluated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There were 49 patients included in the study group and 196 included in the control group. Within the study group, basal luteal\u2010hormone, testosterone, and antral follicle count levels were significantly lower following IVM treatment. The total gonadotropin dose was lower (<jats:italic>P<\/jats:italic> &lt; 0.001) and the duration of stimulation was shorter (<jats:italic>P<\/jats:italic> &lt; 0.001) in the study group compared with the control group. The clinical\u2010pregnancy rate was higher in the study group (<jats:italic>P<\/jats:italic> = 0.018) and no difference was observed between the groups in ovarian hyper\u2010stimulation syndrome (<jats:italic>P<\/jats:italic> = 0.633).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Previous IVM resulted in improved endocrine profiles and increased clinical\u2010pregnancy rates among patients with PCOS undergoing IVF cycles.<\/jats:p><\/jats:sec>","DOI":"10.1016\/j.ijgo.2016.06.027","type":"journal-article","created":{"date-parts":[[2016,9,9]],"date-time":"2016-09-09T20:15:55Z","timestamp":1473452155000},"page":"319-323","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":5,"title":["Outcomes of in vitro fertilization cycles among patients with polycystic ovary syndrome following ovarian puncture for in vitro 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