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Hum Reprod. 1995 Aug;10(8):1962-7.

High incidence of embryo transfer cancellations in patients with polycystic ovarian syndrome.

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1
Department of Obstetrics and Gynecology, Akita University School of Medicine, Japan.

Abstract

This study was aimed at assessing the outcome of in-vitro fertilization (IVF) and embryo transfer in patients with polycystic ovarian syndrome (PCOS). The results of IVF and embryo transfer in PCOS patients (PCOS group, 78 cycles of 26 patients) were compared with those of a control group (423 cycles in 202 patients without male factor; age and ovarian stimulation protocol were matched). Although the pregnancy rate per transfer was not different in the two groups of patients (25 versus 34%, PCOS versus control group), the PCOS group had a significantly lower pregnancy rate per follicle aspiration (19 versus 31%, P < 0.05). A notable result was a significantly higher incidence of embryo transfer cancellations in the PCOS group (22 versus 8%, P < 0.01), which resulted from unpredictable failure of either oocyte recovery or fertilization. The incidence of unexplained complete failure of fertilization was significantly higher in the PCOS group (18 versus 5%, P < 0.01). These results may reflect a reduced quality of the oocytes in the PCOS group, and there was a subgroup of PCOS patients who repeatedly produced poor results of treatment. Although the ovarian stimulation regimen best suited to PCOS patients remains to be determined, special care should be taken during ovarian stimulation, especially when the PCOS patients had experienced unexplained failure of oocyte recovery or fertilization in the previous treatment cycle(s).

PMID:
8567823
[Indexed for MEDLINE]
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