Name the hormone crucial in parturition. Does the parturition signal originate from themother or the fetus?
Question
Name the hormone crucial in parturition. Does the parturition signal originate from themother or the fetus?
Solution
The hormone crucial in parturition is Oxytocin. This hormone plays a key role in initiating and sustaining labor contractions.
The parturition signal originates from the fetus. Near the end of pregnancy, the fetus produces increasing amounts of a hormone called Corticotropin-Releasing Hormone (CRH). This hormone signals the mother's body to increase production of Oxytocin, which in turn triggers the onset of labor.
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