Once uterine contractions have begun, the female body releases several hormones that act in a positive feedback loop. The purpose of this feedback loop is ________.
A. to promote the development of a new follicle
B. to ensure continued contractions until labor is complete
C. inhibit the release of prostaglandins
D. decrease the number of oxytocin receptors in the uterus
Answer: B. to ensure continued contractions until labor is complete
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