Find us on:
If you're not sure what your Rh factor is and think you're pregnant, it's important to start regular prenatal care as soon as possible — including blood-type testing. Your Rh factor may play a role in your baby's health, so it's important to know this information early in your pregnancy.
Review Date: Monday, August 13, 2012
American Academy of Family Physicians
Be sure to have a blood-type test to determine your Rh factor when you become pregnant. This article explains why.
Review Date: Wednesday, February 22, 2012
The Nemours Foundation
This article provides a brief overview of RH Immunoglobulin (RhIg), and its role in preventing anemia and more serious problems in the babies of RH-negative mothers.
Review Date: Thursday, December 18, 2014
American Congress of Obstetricians and Gynecologists
Note: Documents in PDF format require the Adobe Acrobat Reader®. If you experience problems with PDF documents, please download the latest version of the Reader®.