If you are diagnosed with strep, you will stop being contagious approximately 24 hours after starting an antibiotic. Antibiotics should help alleviate your symptoms within one or two days, although in some people the symptoms may last up to a week.
Testing can be done before a baby is born to find out if it has thalassemia and determine how severe it may be. Tests used to diagnose thalassemia in fetuses include: 1  Chorionic villus sampling. 2  This test is usually done around the 11th week of pregnancy and involves removing a tiny piece of the placenta for evaluation.3  Amniocentesis.f your doctor suspects your child has thalassemia, he or she may confirm a diagnosis using blood tests. If your child has thalassemia, blood tests may reveal: 1  A low level of red blood cells. 2  Smaller than expected red blood cells.
Women are routinely offered a variety of genetic screening tests during their first three months of pregnancy to evaluate the risk for genetic disorders in their unborn baby. The first trimester screening tests are usually done between the 10th and 13th week of pregnancy. They involve measuring the level of certain substances in the mother's blood and obtaining an ultrasound. Genetic screening tests can be done during the second trimester as well. Information from these screening tests, along with other risk factors such as a woman's age and a couple's ethnic background and family history of genetic disorders, are used to help calculate the odds that the fetus might be born with genetic disorders, such as Down syndrome, cystic fibrosis, Tay-Sachs disease, or sickle cell anemia.