If you are Rh negative, you will be given a shot of Rh immunoglobulin RhIg. RhIg is made from donated blood. When given to a nonsensitized Rh-negative person, it targets any Rh-positive cells in the bloodstream and prevents the production of Rh antibodies.
When given to an Rh-negative woman who has not yet made antibodies against the Rh factor, RhIg can prevent fetal hemolytic anemia in a later pregnancy. Can RhIg help me if I am already Rh sensitized? RhIg is not helpful if you are already Rh sensitized. When is RhIg given? RhIg is given to Rh-negative women in the following situations:. What if I am Rh sensitized and my fetus is Rh positive?
If you are Rh sensitized, you will be monitored during pregnancy to check the condition of your fetus. If tests show that your baby has severe anemia, it may be necessary to deliver your baby early before 37 weeks of pregnancy or give a blood transfusion while your baby is still in your uterus through the umbilical cord. If the anemia is mild, your baby may be delivered at the normal time. After delivery, your baby may need a transfusion to replace the blood cells.
Glossary Amniocentesis: A procedure in which a needle is used to withdraw and test a small amount of amniotic fluid and cells from the sac surrounding the fetus. Antibodies: Proteins in the blood produced in reaction to foreign substances, such as bacteria and viruses that cause infection. Breech Presentation: A position in which the feet or buttocks of the fetus would be born first.
Ectopic Pregnancy: A pregnancy in which the fertilized egg begins to grow in a place other than inside the uterus, usually in one of the fallopian tubes. Fetus: The developing organism in the uterus from the ninth week of pregnancy until the end of pregnancy. Rh-negative mothers should be followed closely by their providers during pregnancy. If the father of the infant is Rh-positive or if his blood type is not known, the mother is given an injection of RhoGAM during the second trimester.
If the baby is Rh-positive, the mother will get a second injection within a few days after delivery. These injections prevent the development of antibodies against Rh-positive blood. However, women with Rh-negative blood type must get injections:. Neonatal jaundice and liver diseases.
Fanaroff and Martin's Neonatal-Perinatal Medicine. Philadelphia, PA: Elsevier; chap Kliegman RM, St. Blood disorders. In: Kliegman RM, St. Nelson Textbook of Pediatrics. Moise KJ. Red cell alloimmunization. Gabbe's Obstetrics: Normal and Problem Pregnancies. In some cases of hemolytic disease, the doctor may suggest delivery at the normal time, followed by a transfusion that will replace diseased blood in the fetus.
In severe cases, the fetus may be given transfusions in the womb or may need to be delivered early. Getting a blood test is very important during your pregnancy because it can help prevent against Rh sensitization. Talk to your doctor about your risk factor for developing Rh sensitization during a pregnancy. Make a Payment Schedule an Appointment. Patient Education. In the event of an emergency call or go to the nearest Emergency Room.
After Hours Answering Service Patient : 1. West Office fax: East Office fax: This could lead to life-threatening anemia, a condition in which red blood cells are destroyed faster than the baby's body can replace them. Red blood cells are needed to carry oxygen throughout the body. If you're Rh negative, you might need to have another blood test — an antibody screen — during your first trimester, during week 28 of pregnancy and at delivery.
The antibody screen is used to detect antibodies to Rh positive blood. If you haven't started to produce Rh antibodies, you'll likely need an injection of a blood product called Rh immune globulin. The immune globulin prevents your body from producing Rh antibodies during your pregnancy.
If your baby is born Rh negative, no additional treatment is needed. If your baby is born Rh positive, you'll need another injection shortly after delivery. If you're Rh negative and your baby might be or is Rh positive, your health care provider might recommend an Rh immune globulin injection after situations in which your blood could come into contact with the baby's blood, including:. If the antibody screen shows that you're already producing antibodies, an injection of Rh immune globulin won't help.
Your baby will be carefully monitored. He or she might be given a blood transfusion through the umbilical cord during the pregnancy or immediately after delivery if necessary. An Rh factor test is a basic blood test.
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