A study of returning fertility after childbirth and during lactation by measurement of urinary oestrogen and pregnanediol excretion and cervical mucus production.
D000328:Adult; D004967:Estrogens / Q000652:urine*; D005260:Female; D005298:Fertility; D006801:Humans; D007743:Labor, Obstetric; D007774:Lactation; D011247:Pregnancy; D011276:Pregnanediol / Q000652:urine*
D004967:Estrogens; D011276:Pregnanediol