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प्रश्न
Explain why the menstrual cycle stops during pregnancy.
स्पष्ट करा
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उत्तर
During pregnancy, the embryo develops in the uterus and the thick uterine lining is needed to nourish and protect it. Hormones, especially progesterone, maintain this lining and prevent ovulation and its breakdown. Therefore no menstruation occurs during pregnancy.
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