USG can detect gestation sac earliest at –: (A) 5–6 weeks of gestation, (B) 7–8 weeks of gestation, (C) 10 weeks of gestation, (D) 12 weeks of gestation
Answer is A. The gestational sac can be visualized as early as 41/2 weeks by transvaginal USG and 5 weeks by transabdominal USG.