Serum prolactin concentration increases steadily in the third trimester

Question Answered step-by-step Serum prolactin concentration increases steadily in the third trimesterof pregnancy, reaching a peak of about 200 ng.mL. Which of the following best explains why lactation does not occur until after delivery? *a)The fetal adrenal gland secretes excess amounts of dopamine (prolactin inhibiting factor)b)Increased serum estrogen concentration during pregnancy decreases the number of prolactin receptors in breast tissuec)Increase serum progesterone concentration during pregnancy inhibits intracellular binding of prolactin in breast tissued)increased serum thyroid stimulating hormone concentration during pregnancy interferes with prolactin actione)Pituitary lactotrophs secrete primarily biologically inactive prolactin during pregnancy Health Science Science Nursing COM 664 Share QuestionEmailCopy link Comments (0)