title: The urinary pregnanediol excretion at the time of nidation.
mesh_terms: D000032:Abortion, Therapeutic; D000328:Adult; D002855:Chromatography, Thin Layer; D010064:Embryo Implantation; D005260:Female; D006801:Humans; D010060:Ovulation; D011247:Pregnancy; D011258:Pregnancy Tests; D011276:Pregnanediol / Q000652:urine*
chemical_list: D011276:Pregnanediol