Definition: Clomiphene is a synthetic female hormone that was developed by scientists at the University of Texas Southwestern Medical Center in Dallas, United States. It has been used for several years as an alternative to estrogen in various clinical trials. The drug works by inhibiting the synthesis of testosterone, which is the male sex hormone responsible for sexual development and function. Clomiphene acts like a natural contraceptive pill, preventing ovulation and preventing implantation of fertilized eggs. However, it should be used