Prostaglandins in conception control.
D000019:Abortifacient Agents; D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D008875:Middle Aged; D011247:Pregnancy; D011453:Prostaglandins / Q000502:physiology*
D000019:Abortifacient Agents; D011453:Prostaglandins