How can monochorionic monoamniotic twins be identified by ultrasound? What are the various types of monozygotic twins? What fetal syndrome can be seen in monochorionic diamniotic twins? What is the twin peak sign in dichorionic diamniotic twin pregnancies? What percentage of pregnancies result in triplet births? What percentage of pregnancies result in twin births? What percentage of twins are dizygotic? What percentage of twins are monozygotic (identical)? Book traversal links for Multiple gestations ‹ List two advantages that transvaginal (endovaginal) ultrasound offers over transabdominal ultrasound. Up How can monochorionic monoamniotic twins be identified by ultrasound? ›