Fig. 1From: The choice of reference chart affects the strength of the association between malaria in pregnancy and small for gestational age: an individual participant data meta-analysis comparing the Intergrowth-21 with a Tanzanian birthweight chartFlow diagram for obtaining individual patient data (IPD). ANC: antenatal care, BW: birth weight, GA: gestational age, IMPROVE: Improving pregnancy outcome using intermittent preventive treatment of malaria in pregnancyBack to article page