Antifertility substances in plants.
D000818:Animals; D004968:Estrogens, Non-Steroidal / Q000494:pharmacology; D005260:Female; D005298:Fertility / Q000187:drug effects*; D006801:Humans; D010936:Plant Extracts; D010944:Plants / Q000032:analysis*; D011247:Pregnancy
D004968:Estrogens, Non-Steroidal; D010936:Plant Extracts