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Presence of **human chorionic gonadotropin (hCG)** in maternal blood and urine indicates:
AOvulation
BMenstruation
CPregnancy
DMenopause
Answer & Solution
Correct answer: C. Pregnancy
After implantation, the embryo secretes hCG, which prolongs corpus luteum activity and maintains progesterone. Detection of hCG in blood/urine is the basis of all standard pregnancy tests.
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