Which hormone is produced by trophoblastic tissue and detected by most pregnancy tests?
Correct answer: A. Human chorionic gonadotropin
- A. Human chorionic gonadotropin
- B. Follicle-stimulating hormone
- C. Luteinizing hormone
- D. Human placental lactogen
Explanation
Human chorionic gonadotropin, or hCG, is produced by trophoblastic tissue soon after implantation and is detected in urine and blood pregnancy tests. FSH and LH are pituitary hormones, while human placental lactogen is produced later by the placenta.
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About Reproductive System
The reproductive system covers the male and female reproductive organs, gamete formation, the menstrual and ovarian cycles, fertilization, implantation and pregnancy. It explains the roles of FSH, LH, oestrogen, progesterone and testosterone, while distinguishing spermatogenesis from oogenesis and the reproductive organs from the accessory glands.
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