Insulin and insulin-like growth factor-I responsiveness in polycystic ovarian syndrome**Presented in part at the 36th Annual Meeting of the Society for Gynecologic Investigation, San Diego, California, March 15 to 18, 1989.††Supported in part by the United States Public Health Service grants RR00865, CA30388, and CC32737, Bethesda, Maryland, to the Clinical Research Center, University of California at Los Angeles, Los Angeles, California.