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What is the correct sequence for parturition to occur?
  • a)
    Signal from fetus and placenta → Uterine contractions → Release of oxytocin → Rise in oxytocin secretion → Powerful contractions → Parturition
  • b)
    Uterine contractions → Release of oxytocin → Rise in oxytocin secretion → Powerful contractions → Signal from fetus and placenta → Parturition
  • c)
    Signal from fetus and placenta → Release of oxytocin → Uterine contractions → Rise in oxytocin secretion → Powerful contractions → Parturition
  • d)
    Release of oxytocin → Uterine contractions → Signal from fetus and placenta → Rise in oxytocin secretion → Powerful contractions → Parturition
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
What is the correct sequence for parturition to occur?a)Signal from fe...

Explanation:

Signal from fetus and placenta:
- Parturition is initiated by signals from the fetus and placenta indicating that the fetus is mature and ready to be born.

Release of oxytocin:
- In response to the signals from the fetus and placenta, the body releases the hormone oxytocin.

Uterine contractions:
- Oxytocin stimulates the uterine muscles to contract, leading to the onset of labor.

Rise in oxytocin secretion:
- As labor progresses, there is a further rise in oxytocin secretion, causing more intense and frequent contractions.

Powerful contractions:
- The increased oxytocin levels result in powerful contractions of the uterine muscles, helping to push the fetus out of the birth canal.

Parturition:
- The culmination of these processes is parturition, the process of giving birth to the baby.

Therefore, the correct sequence for parturition to occur is:
Signal from fetus and placenta → Release of oxytocin → Uterine contractions → Rise in oxytocin secretion → Powerful contractions → Parturition.
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Community Answer
What is the correct sequence for parturition to occur?a)Signal from fe...
  • Parturition starts with the signal released by the fetus and the placenta.
  • These act on the pituitary to release oxytocin.
  • Oxytocin acts as a stimulant leading to contractions of the uterine muscles.
  • The uterine contractions feedbacks to release more oxytocin from the pituitary.
  • This results in more powerful contractions of the uterus until the baby is delivered in the process of parturition.
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What is the correct sequence for parturition to occur?a)Signal from fetus and placenta → Uterine contractions → Release of oxytocin → Rise in oxytocin secretion → Powerful contractions → Parturitionb)Uterine contractions → Release of oxytocin → Rise in oxytocin secretion → Powerful contractions → Signal from fetus and placenta → Parturitionc)Signal from fetus and placenta → Release of oxytocin → Uterine contractions → Rise in oxytocin secretion → Powerful contractions → Parturitiond)Release of oxytocin → Uterine contractions → Signal from fetus and placenta → Rise in oxytocin secretion → Powerful contractions → ParturitionCorrect answer is option 'C'. Can you explain this answer?
Question Description
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