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