Gynaecology & Obstetrics Most accurate and safest method to diagnose viable pregnancy at 6 weeks:(AIIMS May 2015, Nov 20/3) 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 💡 Explanation Most accurate and safest method to diagnose viable pregnancy at 6 weeks:(AIIMS May 2015, Nov 20/3) ✓ Correct Answer: B. USG for fetal cardiac activity