Association of testosterone and antimüllerian hormone with time to pregnancy and pregnancy loss in fecund women attempting pregnancy
Abstract
OBJECTIVE: To examine whether higher T and/or antimüllerian hormone (AMH) was associated with anovulation, time to pregnancy (TTP), or pregnancy loss risk among healthy, fecund women without diagnosed polycystic ovary syndrome.
DESIGN: Prospective cohort study conducted as a secondary analysis from the Effects of Aspirin in Gestation and Reproduction randomized trial.
SETTING: University medical centers.
PATIENT(S): A total of 1,198 healthy, eumenorrheic women aged 18-40 years attempting spontaneous pregnancy with one to two prior pregnancy losses were included. Women were categorized by baseline antimüllerian hormone (AMH), as a surrogate marker of antral follicle count, and T concentrations; the highest quartile for each was "high," and below the top quartile (i.e., lower 75% of values) was "norm," forming four groups: norm T/norm AMH (n = 742), norm T/high AMH (n = 156), high T/norm AMH (n = 157), and high T/high AMH (n = 143).
INTERVENTION(S): Not applicable.
MAIN OUTCOME MEASURE(S): Anovulation, pregnancy incidence, TTP, and pregnancy loss incidence.
RESULT(S): Women with high T/high AMH had a greater anovulation risk (risk ratio 1.58, 95% confidence interval 1.13-2.22) compared with women with norm T/norm AMH, but with imprecise differences in incidence of pregnancy, TTP, or pregnancy loss.
CONCLUSION(S): Women with higher T and AMH had more frequent anovulatory cycles but with marginal impacts on TTP or pregnancy loss. A continuum of mild inefficiency in reproductive…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 742 participants or records.
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