Gynaecology & Obstetrics In Browne’s classification of placenta pre, the placenta covers the internal os when closed but not when fully dilated is: A Type 1 B Type 2 C Type 3 D Type 4 💡 Explanation In Browne's classification of placenta pre, the placenta covers the internal os when closed but not when fully dilated is: ✓ Correct Answer: C. Type 3