[Effect of a community-based intervention to improve the knowledge on the warning signs of maternal complications among Mayan women from Yucatan randomized controlled trial].

Objective: To evaluate a community-based intervention aimed to improve women's knowledge on alarm signs for preeclampsia-eclampsia, obstetrical hemorrhage, and puerperal sepsis, in Mayan pregnant women in the state of Yucatan, Mexico, in 2008, using participatory methodology.

Material And Methods: Community-based randomized controlled trial, with experimental (n = 28) and control (n = 28) groups. Participatory strategies with translators of Mayan language were used.