Vitamin D insufficiency as a risk factor for reproductive losses in miscarriage.

Objective: To study the relationship between vitamin D deficiency, VDR gene polymorphism rs10735810 (A > G), and a missed abortion in the first trimester of gestation; to determine the predictors of its risk.

Research Methods: 178 women aged between 18 and 41 were surveyed. The main group consisted of patients with miscarriage ( = 101), verified at the hospital stage (O02.