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.AA：血红蛋白基因型AA；AS：血红蛋白基因型AS；ANC：产前门诊（antenatal clinic）；CQ：氯喹（Chloroquine）；CTX：复方磺胺甲恶唑（Cotrimoxazole）；D：日（days）；EIR：昆虫接种率（Entomologic inoculation rate，单位：次感染性叮咬/人/年）；FA：叶酸（Folic Acid）；Hct：血细胞比容（hematocrit）；IPTp-SP：妊娠期磺胺多辛-乙胺嘧啶间歇性预防性治疗（Intermittent presumptive treatment in pregnancy with sulfadoxine-pyrimethmine）；ITN：经杀虫剂处理的蚊帐（Insecticide treated bed net）；MQ：甲氟喹（Mefloquine）；PCR：聚合酶链反应（polymerase chain reaction，用于疟疾检测）；PF：恶性疟原虫（Plasmodium falciparum）；PV：间日疟原虫（Plasmodium vivax）；RCT：随机对照试验（randomized controlled trial）