Gynaecology & Obstetrics At what size of mean gestational sac diameter measured on TVS with no embryonic pole is labelled as ‘Anembryonic Gestation’ – A 15mm B 20mm C 25mm D 30mm 💡 Explanation At what size of mean gestational sac diameter measured on TVS with no embryonic pole is labelled as 'Anembryonic Gestation' - ✓ Correct Answer: C. 25mm