Figure 1From: Placental biomarkers of phthalate effects on mRNA transcription: application in epidemiologic research Placental sampling scheme and device. a) Samples S1 – S4 represent the "inner" region and samples Q1 – Q8 represent the "outer" region and b) Placenta is pictured looking down at the fetal side and the chorionic membrane. Sampling was carried out just below this membrane.Back to article page