Gynaecology & Obstetrics 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 💡 Explanation Most accurate and safe method to diagnose ble pregnancy at 6weeks- ✓ Correct Answer: B. USG for fetal cardiac activity