Which factors may reduce the risk of vertical transmission of HIV from a mother to her infant?

Updated: Mar 05, 2020
  • Author: Delia M Rivera, MD; Chief Editor: Russell W Steele, MD  more...
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Any factor that reduces contact between the neonate and maternal blood or cervicovaginal secretions reduces vertical transmission. This observation is supported by the decreased transmission rates noted with elective cesarean delivery. However, this protective effect occurs only when women were treated with zidovudine during pregnancy.

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