Frequency of maternal infection or antibiotic treatment in pregnancy and by pregnancy trimester.

Note some women had more than one exposure in the same (or in another) trimester.

a

any time from 1st day of last menstrual period (LMP) to index date (for cases this is the date of pre-eclampsia, for controls this is the date they reached the same gestational age as their matched case at the case’s index date).

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