Fig. 3
From: The impact of gravidity, symptomatology and timing of infection on placental malaria
Timing of infection by malaria status and gravidity. a Shows the number (label) and percent of the total cohort (y-axis) of women whose initial documented infection occurred within each gestational age category separated for individuals with no placental malaria (black) and placental malaria (grey). b presents these data on initial symptomatic infection among symptomatic women. c Presents data for primigravid women only, while d presents data for multigravid women only. p-values are two-way and calculated with Chi squared analysis