Fig. 2From: The effect of nicotine-containing products and fetal sex on placenta-associated circulating midpregnancy biomarkersEffect of snus use on circulating midpregnancy maternal angiogenic biomarker levels by fetal sex. A Pregnancies with a male fetus (n = 1201), B: pregnancies with a female fetus (n = 1066). PlGF, Placental Growth Factor. Multivaribale linear regression analyses on log transformed biomarker levelsBack to article page