Follicular development in spontaneous and stimulated cycles in women with minimal-mild endometriosis
Non-randomised trial
OA: closed
CC0
⤵ 7 in-corpus citations
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This study compared follicular development in spontaneous and stimulated cycles of women with minimal-mild endometriosis, finding that follicular growth is not impaired by the condition.
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Abstract
OBJECTIVE: To study follicle development in women with minimal-mild endometriosis.
DESIGN: In women with endometriosis a spontaneous ovulatory cycle was compared with two subsequent cycles in which either clomiphene or clomiphene and FSH were given to stimulate folliculogenesis. Spontaneous cycles in women with tubal infertility provided a comparison group.
SETTING: Infertility clinic, Aberdeen Maternity Hospital.
SUBJECTS: 17 women with minimal-mild endometriosis and 10 women with tubal infertility.
INTERVENTIONS: The women with endometriosis were treated with 150 mg clomiphene citrate from days 2 to 6 in one cycle and in a subsequent cycle with 150 mg clomiphene citrate on days 2 to 6 plus 75 iu FSH daily thereafter.
MAIN OUTCOME MEASURES: Follicular size measured daily using ultrasound. Serum FSH estimated on days 5 and 7 and then daily.
RESULTS: Spontaneous follicular growth in the women with endometriosis was similar to that in the women with tubal infertility. Follicular development began earlier in cycles with clomiphene/FSH and the leading follicle reached 16 mm 2 days sooner but the rate of growth was similar whether or not either regimen of stimulation was used.
CONCLUSION: Follicular growth is not impaired by minimal-mild endometriosis. Infertility with this condition cannot be explained by altered follicular growth or responsiveness.
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References (18)
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Cited by (7)
- Endometriosis affects the number of retrieved oocytes but not early embryonic development and live birth: a retrospective analysis of 716 IVF cycles 2023
- Conventional IVF versus ICSI in sibling oocytes from couples with endometriosis and normozoospermic semen 2012
- Pathogenic mechanisms in endometriosis-associated infertility 2008
- Symptoms before and after surgical removal of colorectal endometriosis that are assessed by magnetic resonance imaging and rectal endoscopic sonography 2004
- What role does decreased ovarian reserve play in the aetiology of infertility related to endometriosis? 2003
- Secretion of inhibin B during ovarian stimulation is decreased in infertile women with endometriosis 2000
- Increased incidence of aberrant morphological phenotypes in human embryogenesis--an association with endometriosis 1995
Source provenance
- europepmc
- last seen: 2026-10-17T06:09:56.316927+00:00
- openalex
- last seen: 2026-06-10T17:14:06.276822+00:00
- pubmed
- last seen: 2026-10-08T21:06:07.402396+00:00
- unpaywall
- last seen: 2026-10-17T06:24:38.187582+00:00
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