Steroidal compounds related to PROGESTERONE, the major mammalian progestational hormone. Progesterone congeners include important progesterone precursors in the biosynthetic pathways, metabolites, derivatives, and synthetic steroids with progestational activities.

Synonyms: Progestin Analogues, Progestational Hormone Analogues, Synthetic Progestogens, Synthetic Progestational Hormones, Synthetic Progestins, Progestational Hormones, Synthetic, 0, Progestogens, Synthetic, Progestational Hormone Analogs, Progesterone Congeners, Progestins, Synthetic, Synthetic Progestagens, Progestagens, Synthetic, Progestin Analogs