A) Increase in oestrogen and progesterone ratio
B) Synthesis of prostaglandins
C) Release of oxytocin
D) Release of prolactin
Correct Answer: D
Solution :
Parturition is the birth process; triggerd by oxytocin which initiates uterine contractions. Prostaglandins are produced in response to oxytocin and CRH production. They are effective at causing uterine contractions at times. Oestrogen, progesterone levels marks the beginning of parturition. Prolactin hormone is responsible for milk secretion at the end of pregnancy. It is not significant during the birthing or initiation of parturition process.
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