查看文章

Several studies indicate that female obesity increases the risk of spontaneous abortion (SAB). Central adiposity, height, and location of typical weight gain have not been examined as risk factors for SAB.

We examined the associations between selected anthropometric factors and risk of SAB among 5132 women enrolled in a Danish Internet‐based prospective cohort study of pregnancy planners. We used Cox proportional hazards regression models, with gestational weeks as the time scale, to compute hazard ratios (HRs) of SAB and 95% confidence intervals (CIs).

After adjustment for potential confounders, the HRs for SAB among underweight (body mass index (BMI, kg/m²) <20), overweight (BMI: 25–29) and obese (BMI ≥30) women were 1.00 [95% CI: 0.81, 1.24], 0.90 [95% CI: 0.73, 1.09] and 1.23 [95% CI: 0.98, 1.54], respectively, compared with normal weight women (BMI 20 …