Davis Advantage for Maternal-Newborn 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Which statement about hormonal influences during pregnancy is true?

Estrogen levels decrease significantly.

Progesterone helps maintain the uterine lining.

During pregnancy, progesterone plays a crucial role in maintaining the uterine lining, which is essential for creating a stable environment for the developing fetus. This hormone is produced initially by the corpus luteum and later by the placenta. Progesterone helps to thicken the endometrium, making it more receptive to implantation of the fertilized egg and essential for sustaining the pregnancy through the first trimester and beyond.

The increase in progesterone levels helps to relax smooth muscles, preventing uterine contractions that could lead to premature labor. Additionally, it contributes to the overall pregnancy response, including altering the maternal immune system to prevent the rejection of the fetal tissue. Thus, the statement emphasizing the role of progesterone in maintaining the uterine lining is correct, highlighting its critical function during pregnancy.

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Oxytocin is produced in excess early in pregnancy.

Beta-hCG levels are highest in the second trimester.

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