Moderate

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.

Last updated

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.

Practise Reproduction

1,220 free Reproduction MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Biology questions like this

Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

Related questions