Risk factors for pre-eclampsia in clinical practice guidelines: Comparison with the evidence.

Objective: To compare pre-eclampsia risk factors identified by clinical practice guidelines (CPGs) with risk factors from hierarchical evidence review, to guide pre-eclampsia prevention.

Design: Our search strategy provided hierarchical evidence of relationships between risk factors and pre-eclampsia using Medline (Ovid), searched from January 2010 to January 2021.

Setting: Published studies and CPGs.