Pressure of the baby's head against the ________ stimulates an increasing level of ________ secretion, which strengthens and increases the rate of uterine contractions until birth of the baby.

Question

Quizplus · Accepted Answer

The pressure of the baby's head against the cervix stimulates an increasing level of oxytocin secretion, which strengthens and increases the rate of uterine contractions until birth of the baby. Estrogens and relaxin play a role in preparing the cervix and the pelvic region for childbirth, but they do not directly stimulate uterine contractions like oxytocin. The body of the uterus is involved in the contractions, but the cervix is the point of focus for the pressure of the baby's head.

Pressure of the Baby's Head Against the ________ Stimulates an Increasing