Gynaecology & Obstetrics Gestational sac diameter of ______ is suggestive of anembryonic pregnancy, if embryo is not visible A 5 mm B 10 mm C 15 mm D 20 mm 💡 Explanation Gestational sac diameter of ______ is suggestive of anembryonic pregnancy, if embryo is not visible ✓ Correct Answer: D. 20 mm