Cystic hygroma Burhan Seker, MD, Alattin Kacar, MD Article Published: Jun 19, 2006 Turkey This a fetus with a cystic hygroma diagnosed at 13 weeks and 3 days. Karyotype was normal. The pregnancy was interrupted at 16 weeks. At 13 weeks At 16 weeks.Note the pleural effusion Discussion Board Start a discussion about this article Add bookmark Bookmarked