Chiari network Ruggero Trevisan, MD Article Published: Sep 11, 2006 Italy This is a 34-year--old-woman, G3P2, referred to our unit at 28 weeks due to a polyhydramnios. In the four chamber view, we could see a Chiari network. The karyotype was compatible with 46XX inv(2)(p11.2q13). Sorry, your browser doesn't support embedded videos. Sorry, your browser doesn't support embedded videos. Discussion Board Start a discussion about this article Add to Favorites Favorite