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प्रश्न
Explain the process of pregnancy.
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उत्तर
- After ovulation, the ovum reaches the fallopian tube and fertilization takes place.
- The fertilized egg undergoes development and it is implanted in the uterus.
- The corpus luteum continues to grow and produces a large amount of progesterone.
- This results in pregnancy. Normally, it lasts for 280 days, at the end of which parturition (child birth) takes place.
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Reproductive Phase of Life in Humans
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