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In a pregnant woman having prolonged labour pains, if the childbirth has to be hastened, it is advisable to administer a hormone that can
  • a)
    Activate the smooth muscles
  • b)
    Increase the metabolic rate
  • c)
    Release glucose into the blood
  • d)
    Stimulate the ovary
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
In a pregnant woman having prolonged labour pains, if the childbirth h...
  • During birth, prostaglandins initiate the contraction in smooth muscles of uterine wall which causes labor pains.
  • The pressure of fetus’s head against the cervix and send signals to make hypothalamus to trigger the release of oxytocin from the posterior pituitary. Together, oxytocin (OT) and prostaglandins stimulate strong uterine muscle contraction forcing the fetus downwards and thereby expelling it out of the uterus. Thus, to hasten the childbirth, it is advisable to administer the hormone that stimulates uterine smooth muscle contraction i.e. oxytocin. This makes option A correct.
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In a pregnant woman having prolonged labour pains, if the childbirth h...
Prolonged Labour Pains and the Administration of Hormones

During childbirth, if a pregnant woman experiences prolonged labor pains, it may be necessary to hasten the process. One way to achieve this is by administering a hormone that can activate the smooth muscles.

Activation of Smooth Muscles
- The smooth muscles in the uterus are responsible for the contractions that help in the progress of labor and delivery.
- By administering a hormone that can activate the smooth muscles, their contractility and strength can be increased, thereby aiding in the expulsion of the baby.
- This helps to speed up the labor process and reduce the duration of labor pains.

Role of Hormones in Labour and Delivery
- Several hormones play a crucial role in initiating and facilitating the process of labor and delivery.
- Oxytocin is the primary hormone involved in the initiation and progression of labor. It stimulates the contractions of the uterine muscles, leading to the dilation and effacement of the cervix.
- Prostaglandins are another group of hormones that help to soften and ripen the cervix, making it more favorable for delivery.
- These hormones work together to promote the rhythmic contractions of the uterus, which gradually push the baby down the birth canal.

Administration of Hormones
- In cases of prolonged labor pains, the administration of synthetic oxytocin (Pitocin) is a common medical intervention.
- Pitocin acts as a synthetic form of oxytocin and is administered through an intravenous drip.
- It helps to increase the frequency, duration, and intensity of contractions, thereby expediting the progress of labor.
- The administration of Pitocin should be closely monitored by healthcare professionals to ensure that the contractions do not become too strong or frequent, as this can be harmful to both the mother and the baby.

Conclusion
In summary, the administration of a hormone that can activate the smooth muscles is advisable in cases of prolonged labor pains. By increasing the contractility of the uterus, this hormone helps to hasten the childbirth process and reduce the duration of labor pains. However, it is important to note that the administration of hormones should always be done under the guidance and supervision of healthcare professionals to ensure the safety and well-being of both the mother and the baby.
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In a pregnant woman having prolonged labour pains, if the childbirth has to be hastened, it is advisable to administer a hormone that cana)Activate the smooth musclesb)Increase the metabolic ratec)Release glucose into the bloodd)Stimulate the ovaryCorrect answer is option 'A'. Can you explain this answer?
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