Resumption of Ovarian Function and Pregnancies in 358 Patients with Premature Ovarian Failure
Context: Resumption of ovarian activity and spontaneous pregnancies are described in patients with premature ovarian failure (POF), but there is a lack of data concerning the prevalence of and predictive factors for these phenomena. Objective: The aim of the study was to determine both the prevalenc...
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Veröffentlicht in: | The journal of clinical endocrinology and metabolism 2011-12, Vol.96 (12), p.3864-3872 |
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Sprache: | eng |
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Zusammenfassung: | Context:
Resumption of ovarian activity and spontaneous pregnancies are described in patients with premature ovarian failure (POF), but there is a lack of data concerning the prevalence of and predictive factors for these phenomena.
Objective:
The aim of the study was to determine both the prevalence of and predictive factors for spontaneous resumption of ovarian function in POF patients.
Design and Setting:
A mixed retrospective and prospective study was performed at a referral center for reproductive endocrinology.
Patients:
A total of 358 consecutive POF patients were followed from 1997 to 2010 in our center.
Main Outcomes Measures:
The cumulative incidence of resumption of ovarian function was determined, and predictive factors were identified by univariate and multivariate analysis.
Results:
Of 358 patients with idiopathic POF, 86 (24%) patients presented features indicating resumption of ovarian function, and in 77 cases (88%) within 1 yr of diagnosis. Twenty-one spontaneous pregnancies (16 births, five miscarriages) occurred in 15 (4.4%) patients. Multivariate analysis (Cox model) showed that a familial history of POF, secondary amenorrhea, presence of follicles at ultrasound, and inhibin B and estradiol levels were significantly predictive of resumption of ovarian function (P < 0.01), whereas association with an autoimmune disease, anti-Mullerian hormone level, the presence of follicles on biopsy, and/or genetic abnormalities did not appear predictive. We created a predictive score for resumption of ovarian function comprising age at diagnosis, presence of follicles at ultrasound, and inhibin B level.
Conclusion:
Intermittent ovarian activity in patients with POF is not a rare phenomenon. The predictive score described in this study may help us to identify POF patients most likely to recover intermittent ovarian function. |
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ISSN: | 0021-972X 1945-7197 |
DOI: | 10.1210/jc.2011-1038 |