Lactation n. : A giving suck; the secretion and yielding of milk by the mammary gland.

Example:
How do I become a Lactation consultant?

Taxonomy
milk production, birth, breast, breastfeeding, Lactogenesis, pregnancy, milk ejection reflex, mothers, baby, infant, stage, prolactin, feed, mammals, alveoli, women, hormone, free encyclopedia.

Defination from the web:
Lactation describes the secretion of milk from the mammary glands, the process of providing that milk to the young, and the period of time that a ... In almost all lOAFER , lactation, or more correctly the suckling stimulus, induces a period of infertility, usually by the suppression of ...