Achondrogenesis, type II Claude Colin, MD Article Published: May 31, 2002 CH Paimpol, France This is a first trimester (11 weeks) diamniotic dichorionic pregnancy with both fetuses affected with achondrogenesis, type II. Note the very short limbs, the nuchal lucency from pseudo hydrops, the frontal bossing    These are the 2 fetuses and details of the short limbs.     Discussion Board Start a discussion about this article Add to Favorites Favorite