Pregnancy tests.
D006063:Chorionic Gonadotropin / Q000652:urine; D005260:Female; D006801:Humans; D011247:Pregnancy; D011259:Pregnancy Tests, Immunologic / Q000191:economics / Q000706:statistics & numerical data*; D011933:Reagent Kits, Diagnostic / Q000191:economics / Q000706:statistics & numerical data; D012648:Self Care / Q000639:trends*
D006063:Chorionic Gonadotropin; D011933:Reagent Kits, Diagnostic