Pregnancy: 7 Common Third Trimester Tests
Melissa Conrad Stöppler, MD
Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.
Steven Doerr, MD
Steven Doerr, MD, is a U.S. board-certified Emergency Medicine Physician. Dr. Doerr received his undergraduate degree in Spanish from the University of Colorado at Boulder. He graduated with his Medical Degree from the University Of Colorado Health Sciences Center in Denver, Colorado in 1998 and completed his residency training in Emergency Medicine from Denver Health Medical Center in Denver, Colorado in 2002, where he also served as Chief Resident.
7 Common Third trimester tests introduction
During the last trimester of pregnancy your doctor may recommend that you have certain diagnostic tests. These tests are all safe and have been developed to ensure the optimum well-being of both mother and baby.
Listed are some of the most common tests women who are pregnant will given.
Group B streptococcus screening
Group B streptococcus (GBS) is a type of bacteria that can exist in the female reproductive tract without causing symptoms. Up to 30% of healthy women can carry group B strep, and it usually does not cause problems. However, sometimes it can lead to serious infection of the bloodstream, infection of the placenta, or urinary tract infection. Group B strep can also have serious consequences for the baby, causing potentially life-threatening infections in the newborn, including meningitis, pneumonia, and sepsis. Testing is simple and involves taking a sample from the vagina and from the rectum with a cotton swab. The swab is cultured in the laboratory to determine if group B strep is present. If the test is positive, you will be given antibiotics during labor to eradicate the infection and reduce the chances of infection in the baby. The test is usually done between the 35th and 37th weeks of pregnancy and should be done in subsequent pregnancies even if you test negative in your first pregnancy.
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