Gynaecology & Obstetrics Dose of anti D for antenatal prophylaxis in Rh negative nonimmunlzed females: A Single dose of 1000 lU at 28 weeks B Single dose of 15000 lU at 28 weeks C Single dose of 500 lU at 28 weeks D Single dose of 1500 lU at 32 weeks 💡 Explanation Dose of anti D for antenatal prophylaxis in Rh negative nonimmunlzed females: ✓ Correct Answer: B. Single dose of 15000 lU at 28 weeks