Background: HIV transmission during pregnancy and breastfeeding among serodiscordant heterosexual couples represents an ongoing barrier to the elimination of vertical transmission of HIV-1 infection in Canada.

Objective: To report a case of vertical HIV transmission during breastfeeding and examine the prevalence of risk factors for HIV transmission in the pregnancy and postpartum periods among serodiscordant couples where the male partner is HIV positive and female partner HIV negative.

中文翻译：

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HIV-Serodiscordant 夫妇中的怀孕：垂直传播病例报告和回顾性病例系列

背景：血清学不一致的异性恋夫妇在怀孕和哺乳期间的 HIV 传播是消除加拿大 HIV-1 感染垂直传播的持续障碍。

目的：报告一例母乳喂养期间 HIV 垂直传播的案例，并检查男性伴侣 HIV 阳性和女性伴侣 HIV 阴性的血清不一致夫妇在孕期和产后期间 HIV 传播的危险因素的流行情况。