Which of the following is a hormonal change that occurs near the end of a healthy pregnancy?
A. Estrogens stimulate connexin synthesis in the myometrium.
B. Plasma progesterone levels decrease while the levels of estrogen continue to increase.
C. There is a surge in the LH concentration.
D. Estrogen blocks the synthesis of oxytocin receptors on uterine smooth muscle.
E. Plasma estrogen levels decrease while the levels of progesterone continue to increase.
Answer: A
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