|can perinatally HIV exposed infant testing negative, convert to positive
Apr 14, 2001
We have an adopted child whose birth mother was in an extremely high risk catagory for HIV. We know she had a history of prostitution and IV drug use. The baby tested positive for hepatitis a,b,& c but has since cleared those antibodies and is now hepatitis negative. At 4 months he was also tested for HIV and was negative at that time. Can he sero convert if his mother was positive or would he have had the antibodies from birth and tested positive at 4 months? Should he be retested at a later date?
Response from Dr. Luzuriaga
Most antibodies in babies' blood at birth are passed to them from their mothers over the last trimester of pregnancy. Therefore, antibodies alone can not be used to determine the HIV, hepatitis B, or hepatitis C infection status of a baby and more specific methods (PCR, which detects viral genomes) must be used. We only use these more sensitive methods when antibody testing suggests that the mother is antibody positive and therefore infected with the virus. If your baby's mother was HIV-infected, she should have had antibodies to HIV, which she would have passed on to the baby. These antibodies should still have been detectable at 4 months of age. With a negative antibody test at 4 months, it is unlikely that your child is at risk for HIV infection and repeated testing is not necessary.
Question on past response
child pcr positive
- Anyone Ever Tested Negative At 3 Months Retest Positive Later
- How Long Does It Take For Hiv Antibodies To Convert Into Your Blood?
- How Soon After Being Exposed To Hiv Can You Get Tested?
- What Are My Chances Of Getting Chlamydia From Someone Who Already Has It?
- Topical Cream To Soothe Genital Herpes Outbreak
- What Is The Best Way To Treat Genital Herpes?
This forum is designed for educational purposes only, and experts are not rendering medical, mental health, legal or other professional advice or services. If you have or suspect you may have a medical, mental health, legal or other problem that requires advice, consult your own caregiver, attorney or other qualified professional.
Experts appearing on this page are independent and are solely responsible for editing and fact-checking their material. Neither TheBody.com nor any advertiser is the publisher or speaker of posted visitors' questions or the experts' material.