Fig. 6From: PAPP-A2 deficiency does not exacerbate the phenotype of a mouse model of intrauterine growth restrictionRelationship between number of fetuses and VEGF levels in the maternal circulation of Mmp9−/− dams (open symbols) and Mmp9+/+ dams (solid symbols) at G16. All pregnancies have at least one functional copy of Pappa2Back to article page