Fig. 1
From: Prenatal risk factors and neonatal DNA methylation in very preterm infants
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13148-021-01164-9/MediaObjects/13148_2021_1164_Fig1_HTML.png)
Rates of endorsement of 24 prenatal risk factors by latent class membership. Women in class 1 (green; 61%) endorse few prenatal risk factors. Women in class 2 (red; 26%) endorse elevated physical health problems, whereas women in class 3 (blue; 13%) endorse elevated substance use and psychological problems