Happy Homes, Healthy Families: A Relationship Strengthening Intervention for Pregnant Couples Affected by HIV in Zambia

Inclusion Criteria: * Heterosexual couple in a stable relationship (defined as sleeping under the same roof at least once a week) * Relationship has lasted ≥ 6 months * Both partners live in the clinic catchment area and plan to continue residing there for at least six months * Both partners are at least 18 years of age * Both partners willing to participate in the intervention * Female partner is no more than 36 weeks pregnant * Female partner is diagnosed as HIV-positive * Severe intimate partner violence (World Health Organization definition) has not occurred within the couple in the past 6 months. Exclusion Criteria: * Same-sex couple * couple who does not sleep under the same roof at least once a week * Relationship has lasted \<6 months * One or both partners live outside the clinic catchment area * One or both partners plan to move outside the clinic catchment area * One or both partners are \<18 years of age * One or both partners unwilling to participate in the intervention * Female partner is greater than 36 weeks pregnant * Female partner is HIV-negative * Severe intimate partner violence (World Health Organization definition) has occurred within the couple in the past 6 months.