RT Journal A1 Björn P, Anders H T1 ATovaquone-proguanil use in early pregnancy and the risk of birth defects JF Archives of Internal Medicine JO Archives of Internal Medicine YR 2011 FD February 14 VO 171 IS 3 SP 259 OP 260 DO 10.1001/archinternmed.2010.521 UL http://dx.doi.org/10.1001/archinternmed.2010.521 AB Malaria infection in pregnancy is associated with increased risk of complications for the mother and fetus,1 particularly in individuals not previously exposed to malaria, eg, travelers. Pregnant women are advised to avoid travel to countries where there is elevated risk of contracting malaria.2- 3 For pregnant individuals who still choose to or must travel to malaria-endemic areas where there is chloroquine resistance, currently none of the available prophylactic drugs are recommended in early pregnancy. This is either owing to adverse fetal effects (doxycycline), paucity of safety data (mefloquine), or absence of such (atovaquone-proguanil).2- 4