Answer:
The answer is A. Lactation.
Explanation:
Lactation is the way toward creating bosom drain. For ladies who are pregnant or as of late conceived an offspring, lactation is typical. Hormones flag the mammary organs in your body to begin delivering milk to bolster the child. But at the same time it's feasible for ladies who have never been pregnant.It alters the metabolic condition of the mother amid pregnancy to encourage the vitality supply of the fetus.It is about what suits your child. The thing that matters is to advance development of gut greenery which helps in in-susceptibility improvement. Nan is an all the more profoundly designed equation to make it like mother's drain as far as the whey and casein protein balance.