INDUCTION OF SEXUAL RECEPTIVITY IN ESTROGEN CONDITIONED SPAYED FEMALE GUINEA PIGS BY ORALLY ADMINISTERED PROGESTERONE AND PREGNENINOLONE*

Publisher Website
Google Scholar
Abstract
Progesterone given orally to estrogen conditioned spayed guinea pigs was effective in producing normal copulatory responses. The ratio of orally administered to injected progesterone is about 20:1. Pregneninolone, a derivative of progesterone, was also effective when administered orally.