Measurement of progestagen and oestrogen levels in human breast milk.
D004967:Estrogens / Q000032:analysis*; D005260:Female; D006801:Humans; D008598:Menstruation; D008895:Milk, Human / Q000032:analysis*; D049590:Postpartum Period; D011247:Pregnancy; D011372:Progestins / Q000032:analysis*; D013997:Time Factors
D004967:Estrogens; D011372:Progestins