title: When the test really counts: part one: earliest pregnancy detection.
abstract: We tested 18 pregnancy-test kits to find out which brands work best. Buy the top performers and follow our tips for the most accurate results.
mesh_terms: D000911:Antibodies, Monoclonal; D006063:Chorionic Gonadotropin / Q000652:urine*; D003365:Costs and Cost Analysis; D004867:Equipment Design; D005260:Female; D006801:Humans; D011247:Pregnancy; D011258:Pregnancy Tests / Q000191:economics / Q000295:instrumentation / Q000379:methods; D012680:Sensitivity and Specificity; D013997:Time Factors
chemical_list: D000911:Antibodies, Monoclonal; D006063:Chorionic Gonadotropin