Figure 1From: Plasmodium falciparum parasitaemia in the first half of pregnancy, uterine and umbilical artery blood flow, and foetal growth: a longitudinal Doppler ultrasound studyTime plot of mean uterine and umbilical artery resistance index against gestational age. Population average smoothed trend line (in black) (n = 128, with 544 visits). Kinshasa, Democratic Republic of Congo, 2005–2006. A. Uterine artery resistance index against gestational age in weeks. B. Umbilical artery resistance index against gestational age in weeks.Back to article page