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. 2014 Jan 15;9(1):e85454. doi: 10.1371/journal.pone.0085454

Figure 2. mRNA expression levels of IGF1/IGF1R, IGF2/IGF2R and IGF2/IGF1R in chorionic villi.

Figure 2

The expression levels of IGF1/IGF1R, IGF2/IGF2R and IGF2/IGF1R after standardization to the endogenous control gene L19, in relation to birth weight corrected for parity, sex, GA at term, maternal BMI and smoking status. No significant association was found for A) the ratio of IGF1 to IGF1R (p = 0.76), or for B) the ratio of IGF2 to IGF2R (p = 0.93). Significant association was observed for CVS expression of C) the ratio of IGF2 to IGF1R (p = 0.005) and birth weight.