If you undergo chorionic villus sampling CVS or amniocentesis , or if you experience bleeding during pregnancy or any trauma where you could be exposed to fetal cells, your doctor may give you the RhoGAM shot at another point in your pregnancy. What to Expect follows strict reporting guidelines and uses only credible sources, such as peer-reviewed studies, academic research institutions and highly respected health organizations.
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Medically Reviewed by Sarah Obican, M. Medical Review Policy All What to Expect content that addresses health or safety is medically reviewed by a team of vetted health professionals. Getty Images. Learn more about what this shot is and if and when you might need it when pregnant.
Back to Top. In This Article. These include:. A dose of RhoGAM also may be needed:. At any time during your pregnancy, notify your healthcare provider immediately if you have vaginal bleeding or experience any abdominal trauma.
You may need an additional dose of RhoGAM. Soon after you give birth, your baby's blood will be tested for the blood type and Rh type. All medications carry the risk of some side effects. The most common adverse reactions of RhoGAM include:. Allergic reactions to RhoGAM may occur. You should be observed for at least 20 minutes after your injection. Signs and symptoms of an allergic reaction include:.
If you're worried about getting the RhoGAM injection because it is made from donated human plasma, keep in mind there's minimal to no risk of contracting diseases like HIV or hepatitis because the donated plasma is thoroughly screened and treated.
In fact , one in five Rh-negative pregnant people will become sensitive to the Rh-positive factor if they don't receive RhoGAM. There is a very rare chance that you will have an allergic reaction to the RhoGAM, but the chance of developing Rh sensitization is much higher than the risk of problems from the RhoGAM shot. RhoGAM should not be used if you are Rh-positive or if you have had a severe allergic reaction to human immune globulin.
Be sure to tell your healthcare provider about all your medical conditions, including:. RhoGAM is an injectable drug given to pregnant people with Rh-negative blood during pregnancy. It is generally safe, but if you're concerned, speak with your healthcare provider. Finding out that you and your baby may be Rh incompatible can be worrying. But know that the RhoGAM shot is a safe and effective way to prevent potential problems—both now and for future pregnancies.
If you think you may be pregnant and have an Rh-negative blood type, you should talk with your healthcare provider to determine the best plan. If the father of your child is Rh-positive or his blood type is unknown, receiving preventive treatment with RhoGAM will prevent serious effects. Sign up for our Health Tip of the Day newsletter, and receive daily tips that will help you live your healthiest life.
Oklahoma Blood Institute. Scientific facts - you and your blood type. American College of Obstetricians and Gynecologists. The Rh factor: How it can affect your pregnancy. Updated June Children inherit it from one of the ir parents through their genes. During pregnancy, problems can arise if you are Rh-negative and your fetus is Rh-positive. Treatments are available to deal with such complications and you need such treatments during pregnancy to protect you and your baby. Rh factor testing is necessary during the pregnancy, especially if you're planning to have more children later on.
It is important to get tested and get the treatment if needed. Problems do not occur during the first pregnancy when a n Rh-negative person has an Rh-positive fetus. At this stage, the body does not develop very many antibodies. But if treatment is not sought during the first pregnancy, the body can make more antibodies in subsequent pregnancies, which can put the fe tus at risk.
When the mother has a positive Rh factor, and the baby's father is Rh-positive, there may be complications if the baby inherits the dad's Rh factor. This is called Rh incompatibility. The chance of inheriting the mo ther's Rh factor is more than inheriting the father's Rh factor. We can determine the Rh incompatibility by taking blood samples and testing them.
Rh incompatibility is not a problem during your first pregnancy. But once your immune system starts to resp ond, there is a risk of hemolytic disease for future Rh-positive fetuses. It is a serious condition that may cause jaundice, amenia, brain damage, or even heart failure. The production of antibodies can cause problems during pregna ncy.
Therefore, surrogates should get a RhoGAM injection. It is a common treatment and injected into soft tissue or muscle, often in the backside. It is up to the doctor to decide on the best methods to administer this injection and how much the dose should be.
Once the shot is administered it will remain effective for about 13 weeks. This treatment helps to overcome the problems, and you need frequent blood tests to monitor Rh levels through the pregnancy. It is possible that a small amount of the baby's blood might enter the mother's bloodstream. It can result in blood mismatch and cause problems.
The immune system treats the baby's blood cells as foreign and starts producing antibodies to eliminate them.
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