Progesterone calms the myometrium and prevents contraction. What factors antagonize progesterone and trigger labor and delivery?
A) rising estrogen levels increase sensitivity
B) rising oxytocin levels lead to uterine contractions
C) distortion of the myometrium
D) distortion of the cervix
E) all of the above

Question

Quizplus · Accepted Answer

All the factors listed (rising estrogen levels, rising oxytocin levels, distortion of the myometrium, and distortion of the cervix) contribute to antagonizing progesterone and triggering labor and delivery.

Progesterone Calms the Myometrium and Prevents Contraction