Which of the Following Statements Is TRUE

Multiple Choice

Which of the following statements is TRUE?

A) The mother and the fetus exchange nutrients by exchanging blood in the placenta.
B) Human chorionic gonadotropin maintains the corpus luteum.
C) Human chorionic gonadotropin levels are the highest at the end of pregnancy.
D) From the time of implantation through delivery,the corpus luteum is the major source of progesterone.
E) Maternal plasma progesterone levels decline in the weeks leading up to the birth of her baby.