Demographic, clinical and hormonal characteristics of patients with premature ovarian insufficiency and those of early menopause: data from two tertiary premature ovarian insufficiency centers in Greece.

The aim of the study was to compare demographic, hormonal and clinical parameters in patients with premature ovarian insufficiency (POI) and women with early menopause in Greece. One hundred thirty-nine women of Greek origin, aged 14-45 years, referring for oligomenorrhea and having elevated FSH concentrations were divided into three groups regarding the age of menstrual disturbances onset [POI1: 更多