A pregnant woman may be given the hormone ________ as a drug to stimulate her uterus to contract and begin labor
A) somatostatin
B) prolactin
C) oxytocin
D) progesterone
C
Explanation: A) Somatostatin is secreted by the pancreas and is not related to labor.
B) The hormone prolactin stimulates milk production for breastfeeding, not uterine contractions for labor.
C) Correct! Oxytocin, the hormone from the posterior pituitary gland or the drug, causes the pregnant uterus to contract.
D) Progesterone is a female sex hormone, but it is not involved in labor.
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