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[Comment] Prevention of malaria in pregnancy: a fork in the road?

In efforts to improve protection against the adverse consequences of malaria in pregnancy, several trials1–3 have investigated alternative drug regimens and strategies to replace sulfadoxine–pyrimethamine for intermittent preventive treatment of malaria in pregnancy. Even before WHO first recommended inclusion of intermittent preventive treatment with sulfadoxine–pyrimethamine in the focused antenatal care package in 2004,4 malaria parasites expressed mutations in the dihydrofolate reductase (Pfdhfr) and dihydropteroate synthetase (Pfdhps) genes,5 compromising the protective effect of the intervention.