Risk of miscarriage in women with chronic diseases in Norway: A registry linkage study.

ABSTRACT:

Background

Increased risk of miscarriage has been reported for women with specific chronic health conditions. A broader investigation of chronic diseases and miscarriage risk may uncover patterns across categories of illness. The objective of this study was to study the risk of miscarriage according to various preexisting chronic diseases.

Methods and findings

We conducted a registry-based study. Registered pregnancies (n = 593,009) in Norway between 2010 and 2016 were identified through 3 national health registries (birth register, general practitioner data, and patient registries). Six broad categories of illness were identified, comprising 25 chronic diseases defined by diagnostic codes used in general practitioner and patient registries. We required that the diseases wer

SUBMITTER: Magnus MC 

PROVIDER: S-EPMC8143388 | biostudies-literature | 2021 May

REPOSITORIES: biostudies-literature