Which of the following statement(s) is/are correct?

A. In pregnancy, estrogen production along with progesterone stimulate the growth of mammary gland and inhibits the lactogenic function of the pituitary gland until the birth of the infant

B. In pregnancy, there is increased intake of fat because energy gets converted into milk

C. Well nourished mother secretes about 850 ml of milk per day

D. All of the above

Answer: Option B