Cotidiano do ser-casal: significados da profilaxia da transmissão vertical do HIV e possibilidades assistenciais Quotidian of being-a-couple: meanings of HIV vertical transmission prophylaxis and assessment possibilities Cotidiano del individuo-pareja: significados de la profilaxis de la transmisión vertical del VIH y posibilidades asistenciales

Objective: To unveil the meaning of HIV vertical transmission prophylaxis for the couple. Methods: Heideggerian phenomenological investigation, developed from December 2011 to February 2012 in the prenatal and childcare outpatient of a hospital in the countryside of Rio Grande do Sul, Brazil, with 7 couples who experienced the quotidian of HIV vertical transmission prophylaxis. Results: Being-a-couple shows oneself on yap of being on treatment accordingly and knowing that one can't breastfeed. On curiosity, seeking to understand everything and ambiguous referring not being different of others. Conclusion: We elucidate the relevance of the nurse to base caring for the couple in a dialogical meeting, of attention to health on seeking qualified nursing care to the couple, child and family.