Oogenesis starts:
Correct answer: D. Before birth
- A. From puberty
- B. At menarche
- C. At the adult stage
- D. Before birth
Explanation
Oogenesis begins during fetal development, before birth. In females, primordial germ cells develop into oogonia, which eventually give rise to primary oocytes, initiating the process of oogenesis.
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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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