[Proceedings: Urinary HCG determination and the specific gravity of the urine in the early stage of pregnancy].
D006063:Chorionic Gonadotropin / Q000652:urine*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D013046:Specific Gravity; D014556:Urine / Q000032:analysis*
D006063:Chorionic Gonadotropin