Gynaecology & Obstetrics Best time for diagnosing fetal abnormalities by USG: September 2009 A 6-12 weeks of pregnancy B 13-19 weeks of pregnancy C 20-26 weeks of pregnancy D 27-32 weeks of pregnancy 💡 Explanation Best time for diagnosing fetal abnormalities by USG: September 2009 ✓ Correct Answer: B. 13-19 weeks of pregnancy