Diminished ovarian reserve as measured by means of baseline follicle-stimulating hormone and antral follicle count is not associated with pregnancy loss in younger in vitro fertilization patients

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To assess the relationship between diminished ovarian reserve and pregnancy outcomes in a large cohort of women achieving pregnancy through invitro fertilization (IVF). We evaluated antral follicle count (AFC) and baseline FSH as a measure of ovarian reserve. Secondarily, we assessed whether diminished ovarian reserve was associated with aneuploidy among spontaneous abortions. Retrospective cohort study. Multicenter private practice. All patients aged 21-44years undergoing fresh autologous IVF cycles during 2009-2013 that resulted in positive serum hCG with recorded baseline FSH levels. None. Live births per early pregnancy, biochemical pregnancies, clinical pregnancy losses, and aneuploidy rates in products of conception among pregnancy losses. A total of 9,489 cycles among 8,214 patients were analyzed. There was no association between live birth and ovarian reserve among pregnant IVF patients under the age of 35years. Among patients 35years of age and older, elevated baseline FSH was associated with a higher risk of pregnancy loss, which increased with increasing age. AFC was not significantly associated with pregnancy loss at any age. No associations were found between ovarian reserve measures and aneuploidy in products of conception in age-adjusted analyses, although the power to effectively evaluate this was limited. Diminished ovarian reserve is not associated with an increase in miscarriage among younger women achieving pregnancy through IVF. Elevated FSH is associated with a higher risk of IVF pregnancy loss among older patients. We found no evidence to confirm that diminished ovarian reserve is associated with increased aneuploidy among spontaneous abortions.