Maternal top categories one of 192,432 Swedish female and probability of that have an infant born preterm (
Maternal top categories one of 192,432 Swedish female and probability of that have an infant born preterm ( Studies was possibility percentages and you may 95% count on durations, adjusted getting maternal issues (age, maternal gestational decades, Bmi, and you will smoking during pregnancy), as well as fetal sex The latest reference category was parents …