Seems to me that if you can get pregnant, then your breasts are fully developed, in general. Then the pregnancy hormones enhance the breast tissue as well. So I think the young lady's production was interfered with by the Depo. When I give it to teens that are nursing, I tell them I will give it when their baby is 8 weeks old. We also talk about the LAM method of birth spacing. Terry Lynn Terry Lynn Dise, MD [log in to unmask]