What is prenatal HBsAg?

Prenatal HBSAg screening facilitates prompt identification of HBsAg-positive pregnant women and mitigates the risk for perinatal HBV transmission. Timely administration of PEP to infants of HBsAg-positive women is important to prevent perinatal HBV transmission.

Why is HBsAg important in pregnancy?

Perinatal HBV transmission can be prevented by identifying HBV-infected (i.e., hepatitis B surface antigen [HBsAg]-positive) pregnant women and providing hepatitis B immune globulin and hepatitis B vaccine to their infants within 12 hours of birth.

What will happen if HBsAg-positive?

A positive HBsAg test result means that you are infected and can spread the hepatitis B virus to others through your blood. anti-HBs or HBsAb (Hepatitis B surface antibody) – A “positive” or “reactive” anti-HBs (or HBsAb) test result indicates that a person is protected against the hepatitis B virus.

When to test for HBsAg in a pregnant woman?

Perform licensed neutralizing confirmatory testing on all HBsAg tests included in OB and prenatal panels or when the ICD-10 diagnosis code indicates pregnancy. Include verification of confirmed HBsAg-positive results on the final lab report, if assay is performed on a pregnant woman.

When do you get a pregnancy test SLR?

When a designated prenatal HBsAg test is ordered from a lab and the result is positive, a Special Laboratory Report (SLR) indicating pregnancy status is automatically sent to the appropriate health department.

When to test for hepatitis B in pregnancy?

• Routinely test all women in every pregnancy for hepatitis B surface antigen (HBsAg) • Test in the first trimester, if possible • Test regardless of past testing status

Where does GBS go in a pregnant woman?

In women, GBS most often is found in the vagina and rectum. This means that GBS can pass from a pregnant woman to her fetus during labor. This is rare and happens to 1 or 2 babies out of 100 when the mother does not receive treatment with antibiotics during labor.