Production of pregnancy zone protein by contraceptive steroids.
D000328:Adult; D005260:Female; D006801:Humans; D008656:Mestranol / Q000494:pharmacology*; D009641:Norethynodrel / Q000494:pharmacology*; D011247:Pregnancy; D011258:Pregnancy Tests
D009641:Norethynodrel; D008656:Mestranol