Summary of included studies for iron supplementation and malaria risk in pregnancy.

AA: Hemoglobin genotype AA. AS: Hemoglobin genotype AS. ANC: antenatal clinic. CQ: Chloroquine. CTX: Cotrimoxazole. D: days. EIR: Entomologic inoculation rate (# infectious bites/person/year). FA: Folic Acid. Hct: hematocrit. IPTp-SP: Intermittent presumptive treatment in pregnancy with sulfadoxine-pyrimethmine. ITN: Insecticide treated bed net. MQ: Mefloquine. PCR: polymerase chain reaction used to detect malaria. PF: Plasmodium falciparum. PV: Plasmodium vivax. RCT: randomized controlled trial.