A pregnant woman (first trimester) is concerned that she has been exposed to a chemical that blocks estrogen and progesterone receptors so that the body does not recognize these hormones. What is the most important reason she should be worried about this?
A) GnRH may be inhibited.
B) Luteinizing hormone (LH) may cause the release of another egg.
C) Ovulation might occur.
D) Menstruation may occur, thus causing the embryo or early fetus to be lost.

Question

Quizplus · Accepted Answer

During the first trimester of pregnancy, the body relies heavily on estrogen and progesterone to maintain the pregnancy. These hormones help develop the uterus lining, prevent ovulation, and prevent menstruation. If the woman is exposed to a chemical that blocks the receptors for these hormones, it may prevent their proper functioning, leading to menstrual-like bleeding and the risk of losing the embryo or early fetus.

A Pregnant Woman (First Trimester) Is Concerned That She Has