The correct answer is D; oxytocin
Further Explanation:
This chemical secretion in the body that stimulates during parturition is oxytocin. This chemical is naturally occurring in the body and has two major functions. The functions are contracting the womb and increasing contractions during childbirth.
This hormone is one of the key hormones in a woman's reproductive system. Not only for childbirth, but for lactation and behavior.
If a woman is going into preterm labor, another medication is given to counteract oxytocin.
Learn more about oxytocin at https://brainly.com/question/3200227
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