Incidence of the luteinized unruptured follicle syndrome in fertile women and in women with endometriosis
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This study investigated the occurrence of luteinized unruptured follicle syndrome in both fertile women and women diagnosed with endometriosis.
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Abstract
One-hundred normal fertile women with normal luteal phase and 118 women with endometriosis underwent luteal phase laparoscopy before day 22. The luteal phase was ascertained by the presence of secretory endometrium and serum progesterone levels higher than 3 ng/ml. The ovaries were carefully inspected for the presence or absence of an ovulation ostium. The percentage of ostii that was observed in fertile women (91%) was similar to that observed in women with mild endometriosis (85%). However, in women with moderate and severe endometriosis, significantly less ostii were noted, respectively 72 and 51%. It is therefore argued that the absence of an ovulation ostium (so-called luteinized unruptured follicle syndrome, LUF) is more frequent in women with moderate and severe endometriosis and may contribute to infertility in this group of women.
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Cited by (22)
- Decreased Expression of EZH2 in Granulosa Cells Contributes to Endometriosis-Associated Infertility by Targeting IL-1R2 2022
- Identifying Mechanisms of Endometriosis-Associated Reduced Fecundity in a Rat Model: Novel Insights toward Understanding Human Infertility 2020
- Dose-Dependent Decreased Fertility in Response to the Burden of Endometriosis in a Murine Model 2019
- Prise en charge de l’infertilité en première intention hors FIV : performances du traitement médical ? Performances de la stimulation ovarienne ? Performances des inséminations ? RPC Endométriose CNGOF-HAS 2018
- Development of peritoneal endometriosis: Characterisation of immune environment in peritoneal endometriotic lesions 2015
- Cellular and molecular basis for endometriosis-associated infertility 2012
- TIMP1 Contributes to Ovarian Anomalies in Both an MMP-Dependent and -Independent Manner in a Rat Model1 2011
- Preliminary molecular genetic analysis of the Receptor Interacting Protein 140 (RIP140) in women affected by endometriosis 2005
- Possible involvement of <i>hMLH1, p16</i><sup><i>INK4a</i></sup> and <i>PTEN</i> in the malignant transformation of endometriosis 2002
- Is the endometrium or oocyte/embryo affected in endometriosis? 1999
- Pathophysiology of Endometriosis-Associated Infertility 1999
- PATHOPHYSIOLOGY 1997
- The presence of luteinized unruptured follicle syndrome and altered folliculogenesis in rats with surgically induced endometriosis 1993
- Luteinized unruptured follicle in the early stages of endometriosis as a cause of unexplained infertility 1992
- Peritoneal fluid volume and sex steroids in the preovulatory period in mild endometriosis 1991
- Endometriosis and infertility 1991
- Endometriosis and infertility 1990
- Endometriosis as a Cause of Infertility 1989
- Endometriosis 1987
- Endometriosis, Lesions of the Secondary Müllerian System, and Pelvic Mesothelial Proliferations 1987
- Follicle growth patterns and endocrinological abnormalities in infertile women with minor degrees of endometriosis 1986
- Current Concepts of Endometriosis 1984
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- europepmc
- last seen: 2026-08-12T06:07:16.479679+00:00
- openalex
- last seen: 2026-06-10T17:14:06.276822+00:00
- pubmed
- last seen: 2026-05-13T22:10:00.881616+00:00
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