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. 2001 Dec;18(12):644-9.
doi: 10.1023/a:1013111200251.

Reduced developmental potential in oocytes from women with endometriosis

S N Norenstedt  1 , C Linderoth-Nagy, A Bergendal, P Sjöblom, A Bergqvist
Affiliations

Reduced developmental potential in oocytes from women with endometriosis

S N Norenstedt et al. J Assist Reprod Genet. 2001 Dec.

Abstract

Purpose: To study retrospectively the outcome of intracytoplasmatic sperm injection (ICSI) in women with endometriosis compared with women with no known female infertility factor.

Methods: All couples treated with ICSI because of male infertility plus verified endometriosis (n = 26) and all couples treated with ICSI because of male infertility only (n = 125) during the period January 1995 to June 1999 were included. Data were collected from patient files and ICSI protocols.

Results: The time to complete down regulation was significantly longer (p = 0.0108), the dose of FSH significantly higher (0.0247), the day for oocyte pickup significantly later (p = 0.0091), and the cleavage rate of oocytes significantly lower (p = 0.0011) in women with endometriosis compared with controls. There was no significant difference in implantation rate or pregnancy rate between the groups.

Conclusions: Women with endometriosis presented significantly reduced follicular response and oocyte cleavage rate, two mechanisms that might be related to a disturbed oogenesis.

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