Question Detail
Question
What hormone does the placenta secrete to maintain the uterine lining during early pregnancy?
Correct Answer
Option B is the correct answer.
Detailed Explanation
hCG is secreted by the developing placenta shortly after implantation. It signals the corpus luteum to continue producing progesterone and estrogen, preventing menstruation and maintaining the endometrium.
Hint
This is the hormone detected by pregnancy tests.