Which of the following hormones is not a secretion product of the human placenta?
Correct answer: B. Prolactin
- A. Human chorionic gonadotropin
- B. Prolactin
- C. Estrogen
- D. Progesterone
Explanation
Prolactin is not primarily produced by the placenta. Prolactin is mainly produced by the anterior pituitary gland in the brain and plays a role in stimulating milk production after childbirth. While prolactin levels may increase during pregnancy, it is not considered a primary secretion product of the placenta.
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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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