Alternative Names
Newborn breast swelling; Physiologic leukorrhea
Definition of Hormonal effects in newborns
While in the womb, a baby is exposed to many chemicals (hormones) present in the mother’s blood stream. After birth, the infants are no longer exposed to these hormones. This may cause temporary conditions in a newborn.
Review
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. – 3/14/2009









