Overview
During 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.
Review Date 11/6/2023
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.