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Gynaecology & Obstetrics Diagnosis in Obstetrics 4a671b2d

At what level of b-hCG is it that normal pregnancy can be earliest detected by TVS (transvaginal USG)?

A
500 IU/mL
B
1000 IU/mL
C
1500 IU/mL
D
2000 IU/mL
High-Yield Explanation
Ans. is b, i.e. 1000IU/MLRef Dutta Obs. 7/e, p 642Critical titre of hCG:b-hCG level (mIU/ml)Structure visibleTVS/TAS* 1000-1200Gestational sacTVS* 6000Gestational SacTAS

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