Pregnancy complicationsStudy participants indicated the length of each of their 5 most recent pregnancies lasting at least 12 weeks in thefollowing categories: 12 to less than 20 weeks, 20 to less than 24 weeks, 24 to less than 28 weeks, 28 to less than 32weeks, 32 to less than 37 weeks, 37 to 42 weeks, and 43 or more weeks. Pregnancies were categorized as very preterm(20 to ≤32 weeks), moderate preterm (33to ≤37 weeks), term (37 to ≤42 weeks, referent) and postterm (≥43 weeks).Participants were asked the birth weight for each of their 5 most recent pregnancies (<5 lbs, 5–5.4 lbs, 5.5–6.9 lbs, 7.0–8.4 lbs, 8.5–9.9 lbs, ≥10 lbs). Low birth weight was defined as less than 5.5 pounds at term and macrosomia as 10pounds or more at term.
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