HIV-1 seroconversion during pregnancy resulting in vertical transmission

S. E. Moses, J. Tosswill, M. Sudhanva, M. Poulton, M. Zuckerman*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


The uptake of antenatal HIV testing in England and Scotland improved from 33% in 1998 to 92% in 2004 after implementing an opt-out policy. However, there is the potential for missing HIV seroconversion during pregnancy unless a further test is carried out between antenatal booking, which mostly occurs between 12-14 weeks, and delivery. We report a 32-year old Caucasian woman who developed a primary symptomatic HIV infection late in pregnancy. Unfortunately, despite antiretroviral treatment, caesarean section and formula feeding to reduce the risk of mother to child transmission (MCT), the baby was found to be infected by 12 weeks of age. Despite a 95% uptake rate at King's College Hospital, another HIV seroconversion during late pregnancy was detected after the partner was admitted with AIDS defining diagnoses. In the absence of national data on HIV seroconversion rates in pregnancy, further maternal HIV testing later in pregnancy, especially for women at-risk in an ethnically diverse area such as London, should be considered.

Original languageEnglish
Pages (from-to)152-153
Number of pages2
JournalJournal of Clinical Virology
Issue number2
Publication statusPublished - Feb 2008
Externally publishedYes


  • HIV-1
  • Mother to child transmission
  • Seroconversion in pregnancy


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