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Biology · PYQ NEET UG 2021

हिन्दी

Which of these is not an important component of initiation of parturition in humans?

  1. Release of Prolactin
  2. Increase in estrogen and progesterone ratio
  3. Synthesis of prostaglandins
  4. Release of Oxytocin

Correct answer · Option 1

Release of Prolactin

Explanation

Prolactin is responsible for milk production after childbirth, not for the initiation of parturition. Parturition is induced by fetal ejection reflex, oxytocin, prostaglandins, and increased estrogen/progesterone ratio.
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