Clinical manifestations of decreased ovarian reserve in premenopausal women: a cross-sectional study
AIM: To estimate clinical manifestation of decreased ovarian reserve in women of reproductive age from Eastern Siberia. MATERIAL AND METHODS: A total of 1119 women aged 18 to 40 years who underwent an annual preventive medical examination at their place of work were invited to participate in a cross-sectional study performed in 2017-2019 in Irkutsk Region and Buryat Republic (Russia). Among the 1119 women, 907 aged 31.78±5.13 years were included in the study, after which clinical, instrumental, and laboratory research methods and statistical analysis were utilized. Among the 907 women included in the study, 117 (12.9%) had 1.2 had a FSH level of 5.91 ME/mL. Patients with AMH <1.2 can be characterized by high parity in the anamnesis and shortening of the menstrual cycle.