The Modulating Effect of Estrogens on Luteinizing Hormone Release in complete Androgen Insensitivity Syndrome before and after Gonadectomy and Cyclic Steroid Application

Abstract
The response of LH release to exogenous estrogens was studied in three patients with androgen insensitivity syndrome (AIS) before and after gonadectomy and a prolonged treatment with a sequential pill. Estrogen provocation tests were performed in which 0.05 mg/kg body weight estradiol benzoate was administered intramuscularly and serum FSH and LH levels were assessed every 12 hours for 96 hours after gonadectomy, three months after a prolonged treatment with a sequential pill (16 cycles: 9 days mestranol 100 μg, 12 days mestranol 80 μg and chlormadinone acetate 2 mg) and in one patient before gonadectomy. The control group consisted of 10 normal females during the follicular phase. A positive feedback effect was induced in normal females and in AIS patients after prolonged treatment with a sequential pill.

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