Ishaque et al. BMC Public Health 2011, 11(Suppl 3):S3 http://www.biomedcentral.com/1471-2458/11/S3/S3 Page 5 of 12 Study Parise 1998i Parise 1998ii Shulman 1998 Shulman 1999 Njagi (+SP) 2002 Njagi ( SP) 2002 Ter Kuile 2003 Total Intervention IPTp IPTp IPTp ITN ITN ITN ITN IPTp and ITNs Relative risk (fixed) Weight (%) 7.13 6.51 26.10 4.95 9.98 16.35 28.99 100.00 Relative Risk (95% CI) 1.20 (0.42 3.43) 0.99 (0.33 2.97) 0.90 (0.52 1.56) 0.67 (0.19 2.36) 0.68 (0.28 1.65) 0.64 (0.32 1.27) 0.69 (0.41 1.16) 0.78 (0.59 1.03) 0.125 0.25 0.5 1 2 4 Test for overall effect z=1.78 p=0.0757 Test for heterogeneity: X2=1.76 df=6 p=0.9403, I2=0.00% Figure 2 Forest plot for meta-analysis of the effect of malaria prevention in pregnancy (IPTp and ITNs) used during first or second pregnancy on preventing stillbirths. Figure 3 Treatment of HIV in pregnancy: Any antiretroviral vs. placebo Outcome: Stillbirth.