Christmas disease; Factor IX hemophilia

Genetic counseling may be recommended. Testing can identify females who carry the hemophilia gene. Prenatal intrauterine tests can be done to determine if a developing baby has the disorder.

Images

Blood clots

X-linked recessive genetic defects - how girls are affected

Blood cells

X-linked recessive genetic defects - how boys are affected

X-linked recessive genetic defects

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Hemophilia B Treatment

Review Date: 03/28/2010
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; James R. Mason, MD, Oncologist, Director, Blood and Marrow Transplantation Program and Stem Cell Processing Lab, Scripps Clinic, Torrey Pines, California. 3/28/10Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)