The aim of the present study was to determine whether the plasma concentrations of homocysteine (Hcy) are elevated in women with hypogonadotropic hypogonadism (a condition of chronic hypoestrogenism) and in women with polycystic ovarian syndrome (PCOS, a syndrome characterized by hyperandrogenemia). A cross-sectional study was performed. The plasma concentrations of Hcy were determined in 12 normal-cycling women, in 14 women with hypogonadotropic amenorrhea (HA), and in 20 women with PCOS. The plasma LH, FSH, E(2), testosterone, free testosterone, and androstenedione levels were measured. The blood samples analyzed were taken during the early follicular phase in controls and without regard to the menstrual phase in the patients. Twelve normal-cycling women were compared with 14 women with HA and with 20 women with PCOS. Women with HA or PCOS have plasma concentrations of Hcy similar to those of healthy women with normal menstrual cycles. The results suggest that young women with chronic hypoestrogenism (HA) or hyperandrogenism (PCOS) have plasma concentrations of Hcy similar to those of healthy women with normal menstrual cycles.
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