Hypogonadotropic hypogonadism: retrospective analysis of 19 cases.

Objectives: To survey the clinical data of patients with isolated gonadotropin deficiency.

Methods: We retrospectively surveyed the medical records of 19 patients with isolated gonadotropin deficiency aged 16-31 years (mean: 20 years). The major complaint was primary amenorrhea in 100% of the patients, with 42.

Alternatives in plasma gonadotropin and sex steroid levels in obese ovulatory and chronically anovulatory women.

Objective: To evaluate the alterations in plasma gonadotropin and sex steroid levels in obesity.

Study Design: A study was conducted on 77 obese women, 30 with ovulatory menstrual cycles (group I) and 47 with chronic anovulation (group II), who were compared to 15 women of normal weight and with ovulatory cycles (group C). Obesity was determined on the basis of body mass index.