Von Braun-Fernwald's sign is a clinical sign in which there is an irregular softening and enlargement of the uterine fundus during early pregnancy. It occurs at 5–8 weeks gestation.Maternal-Neonatal Nursing Made Incredibly Easy! Page 160. Lippincott Williams & Wilkins, 2007. . Google books
The sign is named after Karl von Braun-Fernwald.
See also Piskacek's sign
References