Gynaecology & Obstetrics An ultrasound performed on a women, shows twin pregnancy. Which of the following is a feature of dizygotic twins? A Separate amnion and same chorion B Separate chorion and amnion C Always different sex D None of the above 💡 Explanation An ultrasound performed on a women, shows twin pregnancy. Which of the following is a feature of dizygotic twins? ✓ Correct Answer: B. Separate chorion and amnion