Clomiphene citrate: Further observations on its use in induction of ovulation in the human and on its mode of action

Induction of ovulation in the human has been of considerable research interest for several decades. Various hormonal regimens and other procedures have been tried in the past.1 • 2 In spite of all these trials, the problem of ovulatory failure remains a frustrating dilemma for the physician. Recently, the induction of ovulation with clomiphene citrate in about 70% of anovulatory women was reported by our group.3- 6 It was felt that an important breakthrough in this difficult field of endeavor was at hand. 7- 9 Our observations have been confirmed by other groups of investigators.10- 12 The present report embodies a detailed analysis of the results of administration of this agent to 200 women, of whom 179 were anovulatory. The results of our studies on the probable mode of action of this drug are also discussed.