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

<p>Note some women had more than one exposure in the same (or in another) trimester.</p>a<p>any time from 1<sup>st</sup> 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).</p>