if you are already rh-sensitized and are pregnant your pregnancy will be closely monitored. discuss possible symptoms early in pregnancy with your health professional. repeated diagnostic testing will be necessary to monitor the fetus. call your health professional immediately if you note a decrease in your fetus's movement after 24 to 26 weeks of pregnancy. if you are rh-negative call your health professional immediately if you: think you may have been pregnant and miscarried. are pregnant and have had an accident that may have injured your abdomen. regular prenatal visits are essential. you will need an rh immune globulin shot at 24 to 28 weeks and again after delivery if your baby has rh-positive blood. this is the only way you can prevent rh sensitization. watchful waiting watchful waiting is not appropriate for rh sensitization. it is important to keep all prenatal appointments so that your developing fetus can be closely monitored throughout your pregnancy. who to see a woman who may have problems with rh incompatibility or sensitization can be treated by: a family medicine doctor for mild fetal rh disease. an obstetrician for mild to moderate rh disease. a perinatologist for moderate to severe fetal rh disease ( hydrops ). if you test positive for rh sensitization your health care system or health professional may want you to be followed and treated by a perinatologist or an obstetrician who can easily call in a perinatologist. to prepare for your appointment see the topic making the most of your appointment. webmd medical reference from healthwise this information is not intended to replace the advice of a doctor. healthwise disclaims any liability for the decisions you make based on this information. © 1995-2011 healthwise incorporated. healthwise healthwise for every health decision and the healthwise logo are trademarks of healthwise incorporated.
i have or think i have rh sensitization during pregnancy when should i contact my doctor?