Investigation of serum apelin-13 and apelin-36 concentrations in pregnancies complicated by preeclampsia; a prospective case-control study.

Objective: We aimed to investigate the relationship between preeclampsia and maternal serum apelin-13 and apelin-36 concentrations.

Methods: This cross-sectional study was carried out in the Gynecology and Obstetrics Clinic of Umraniye Training and Research Hospital. The preeclampsia group consisted of 40 pregnant women diagnosed with preeclampsia, and the control group consisted of 40 healthy pregnant women matched with the preeclampsia group in terms of age and body mass index.