Acardiac twin with alobar holoprosencephalic cotwin Montse Alegre, MD Victor Centurion, MD Laura Dalio, MD Article Published: Jun 10, 2005 Barcelona, Spain This is a set of twins in a 31-year-old woman. Her earlier gestation was a single pregnancy which was normal. Her grandmother had a set of twins. one is an acardiac amorphus the other twin has alobar holoprosencephaly. Postnatal photographs: Discussion Board Start a discussion about this article Add to Favorites Favorite