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Villi of human placenta develop from ..

A. Chorion

B. Allantois

C. Yolk sac

D. Amnion

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  2. When is the best time to get FSH levels checked?
  3. Pregnancy is ascertained by
  4. Combined Oral contraceptives prevent pregnancy by
  5. Pregnancy begins with implantation of
  6. After fertilization, implantation of human embryo takes place on
  7. Erythroblastosis foetalis is caused by fertilization between the gametes of
  8. In a 28 day menstrual cycle, ovulation occurs on ...
  9. Sickle cell anaemia induce to
  10. What is Hirsuitism in females? (Usually with Poly cystic ovarian disease)
  11. HCG, HPL and relaxin are produced in women ...
  12. Haemophilic man marries a normal woman. Their off springs will be
  13. Failure of the brain to grow in the foetus may result in:
  14. In infertility treatment the ovum is fertilized outside the body and injected into the uterus
  15. Part of sperm that passes into ovum is
  16. In human embryo, the digestive system develops from the
  17. At the end of meiosis I, the Oocyte yields
  18. Which of the following is not a hereditary disease?
  19. Epididymis is ...
  20. The surgical method of contraception in males
  21. Highly sophisticated procedure of injecting sperm directly into the ovum is
  22. Tunica albuginea is related to
  23. Thick layer which surrounds the ovum is ...
  24. Human placenta is
  25. The middle piece of the sperm contains
  26. Ovulation occurs under the influence of high titre of
  27. Which layer of embryo is formed first
  28. Total numbers of ovum released in the life time of a woman is approximately
  29. Which one of the following is produced early in the life of a human female?
  30. Pregnancy test is confirmed by the presence of