In a human female, when does the fertilized egg get implanted in the uterus?
Correct answer: A. After about 7 days of fertilization
- A. After about 7 days of fertilization
- B. After about two months of fertilization
- C. After about three weeks of fertilization
- D. After about 30 days of fertilization
Explanation
Once the embryo reaches the blastocyst stage, approximately five to six days after fertilization, it hatches out of its zona pellucida and begins the process of implantation in the uterus.
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About Reproduction
Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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