Question:
Which hormone causes strong uterine contractions during birth?
Which hormone causes strong uterine contractions during birth?
Show Hint
The hormone from the posterior pituitary acts on uterine smooth muscle.
Updated On: Nov 12, 2026
- Oxytocin
- LH
- FSH
- Prolactin
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Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept
At the end of pregnancy strong contractions of the uterus expel the baby.
Step 2: Identify the hormone
Oxytocin is made in the hypothalamus and released from the posterior pituitary. It acts on the myometrium and also causes milk ejection.
Step 3: Eliminate
LH triggers ovulation, FSH stimulates follicle growth and prolactin promotes milk production.
Step 4: Conclusion
Oxytocin causes strong uterine contractions during birth.
Final Answer:
Oxytocin causes strong uterine contractions during birth. \[ \boxed{\text{(A) }\text{Oxytocin}} \]
At the end of pregnancy strong contractions of the uterus expel the baby.
Step 2: Identify the hormone
Oxytocin is made in the hypothalamus and released from the posterior pituitary. It acts on the myometrium and also causes milk ejection.
Step 3: Eliminate
LH triggers ovulation, FSH stimulates follicle growth and prolactin promotes milk production.
Step 4: Conclusion
Oxytocin causes strong uterine contractions during birth.
Final Answer:
Oxytocin causes strong uterine contractions during birth. \[ \boxed{\text{(A) }\text{Oxytocin}} \]
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