Use of antihistamines before or during pregnancy and risk of early-onset pre-eclampsia in allergic women: a population-based cohort study.

Objective: We have previously found that allergy is a risk factor for early-onset pre-eclampsia. The aim of this study was to assess the association between pregestational maternal use of antihistamines and early-onset pre-eclampsia.

Design: A population-based cohort study.

Maternal complications in pregnancy and childbirth for women with epilepsy: Time trends in a nationwide cohort.

Objective: Obstetric trends show changes in complication rates and maternal characteristics such as caesarean section, induced labour, and maternal age. To what degree such general time trends and changing patterns of antiepileptic drug use influence pregnancies of women with epilepsy (WWE) is unknown. Our aim was to describe changes in maternal characteristics and obstetric complications in WWE over time, and to assess changes in complication risks in WWE relative to women without epilepsy.

The effect of parity on risk of complications in pregnant women with epilepsy: a population-based cohort study.

Introduction: Women with epilepsy have increased risk of complications in pregnancy with consequences for the mother and child. There are no studies on the influence of parity on complications in women with epilepsy. MATERIAL AND METHODS: This was a population-based cohort study of all first and second births in the Medical Birth Registry of Norway 1999-2013.

Hypertensive pregnancy complications in women with epilepsy and antiepileptic drugs: a population-based cohort study of first pregnancies in Norway.

Objectives: To estimate the risk of hypertensive pregnancy complications in women with epilepsy, with and without antiepileptic drugs, and assess the risk associated with the four most common antiepileptic drugs.

Design: A population-based cohort study using linked data from the Medical Birth Registry of Norway and the Norwegian Prescription Database. Women with epilepsy with and without antiepileptic drugs were compared with women without epilepsy.