Gynaecology & Obstetrics Most accurate and safest method to diagnose viable pregnancy at 6 weeks:(AIIMS May 2015, Nov 2014, May 2013) A Doppler for fetal cardiac activity B USG for fetal cardiac activity C Urinary Beta-hCG determination D PV examination to check uterus size of 6 weeks 💡 Explanation Most accurate and safest method to diagnose viable pregnancy at 6 weeks:(AIIMS May 2015, Nov 2014, May 2013) ✓ Correct Answer: B. USG for fetal cardiac activity