Question

Which of the following physiological adjustments to accommodate reproduction happens only in pregnancy and not lactation? A. increased rate of bone turnover B. reduced intestinal calcium absorption C. increased metabolic rate D. blood volume expansion

Answer 1

Ans:-

D) blood volume expansion.

concept:- as we know that pregnancy is a hemodilution state during which more water is conserved in the body leading to to increase plasma volume but this does not occur during lactation. All other options like increase bone turnover and decrease absorption of calcium from intestine acres both pregnancy and lactation. During pregnancy and lactation Calcium from mother's body move towards the foetus body true placenta during pregnancy and through milk during lactation.