OverviewDuring a head first birth, pressure on the head caused by the tight birth canal may "mold" the head into an oblong rather than round shape. This is a common occurrence that usually disappears after a few days.
Update Date 11/7/2011
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.