class="Serp__item__snippet--34vQF">Phenothiazines: Prochlorperazine, Chlorpromazine, and Promethazine. As a class, phenothiazines appear to confer little risk to the developing fetus. The Collaborative Perinatal Project followed 1309 pregnancies with first trimester exposure to phenothiazines. levitrao.com order levitra online