After implantation, which hormone helps maintain the corpus luteum during early pregnancy?
Correct answer: A. Human chorionic gonadotropin
- A. Human chorionic gonadotropin
- B. Follicle-stimulating hormone
- C. Prolactin
- D. Oxytocin
Explanation
The early trophoblast produces human chorionic gonadotropin, which supports the corpus luteum and its progesterone secretion. Progesterone maintains the endometrium, whereas prolactin and oxytocin have different main roles.
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About Reproductive Anatomy and Conception
Female and male reproductive organs, pelvic anatomy, gametogenesis, the menstrual cycle and the hormonal control of ovulation lead into fertilisation, implantation and early embryonic development. Questions distinguish ovulation from menstruation, fertilisation from implantation, and the normal anatomical changes that allow conception and pregnancy to occur.
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