Lactation is the process of producing breast milk. For women who are pregnant or recently gave birth, lactation is normal. Hormones signal the mammary glands in your body to start producing milk to feed the baby. But it's also possible for women who have never been pregnant — and even men — to lactate. May 11, - When asked what they would gain from not feeding straight from the boob, the answers were astoundingly identical. Mothers who breastfeed.