Are there any risks to the test?There is very little risk to having a blood test. You may have slight pain or bruising at the spot where the needle was put in, but most symptoms go away quickly.Amniocentesis and CVS tests are usually very safe procedures, but they do have a slight risk of causing a miscarriage. Talk to your health care provider about the risks and benefits of these tests.After a bone marrow aspiration and biopsy test, you may feel stiff or sore at the injection site. This usually goes away in a few days. Your health care provider may recommend or prescribe a pain reliever to help.
