In regard to the likelihood of an SA after the age of 28 years, only women with a BMI less than 18.5 kg/m2 at ages 18–20 years showed a marginally significant increased likelihood (OR 1.11, 95% CI 1.02–1.21) (Table 3 ).
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Body mass index at age 18-20 and later risk of spontaneous abortion in the Health Examinees Study (HEXA).
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The sentences
In women who did not smoke before pregnancy, the likelihood significantly increased for those who had a BMI less than 18.5 kg/m2 (OR 1.09, 95% CI 1.05–1.15) and decreased with marginal significance for those who had BMIs between 23–24.9 kg/m2 (OR 0.95, 95% CI 0.89–1.00).