Synergism of pulsatile LHRH therapy with oral clomiphene treatment

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Abstract
Eighteen anovulatory patients who were resistant to induction of ovulation with clomiphene and with subcutaneous pulsatile LHRH were treated with these two agents given simultaneously. Twelve of the 14 patients with polycystic ovary syndrome, 1 patient with weight-related amenorrhea and 1 of 3 patients with intrinsic pituitary disease responded to the combined treatment. Serial determinations of serum gonadotropin concentrations showed that these remained unchanged by clomiphene treatment, suggesting a direct action on the ovary. For induction of ovulation for in vivo fertilization, the combination of oral clomiphene with subcutaneous pulsatile LHRH is worth trying before proceeding to intravenous LHRH or hMG therapy.