Most accurate and safe method to diagnose ble pregnancy at 6weeks-
(A) Doppler assessment of fetal cardiac activity (B) USG for fetal cardiac activity (C) Urinary Beta-hCG determination (D) Per vaginal examination of uterine size corresponding to 6 weeks gestation
(B) Answer- B. USG for fetal cardiac activityUSG for fetal cardiac activity:At 6 weeks it is routine to detect fetal cardiac activity by ultrasound5 1/2 Yz to 6 weeks is usually a very good time to detect either a fetal pole or even a fetal hea beat by vaginalultrasound.