The initiation of lactation.
D001942:Breast Feeding; D005247:Feeding Behavior; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007774:Lactation; D010121:Oxytocin / Q000502:physiology; D011247:Pregnancy; D011388:Prolactin / Q000378:metabolism
D010121:Oxytocin; D011388:Prolactin