NR3C1 and post-traumatic stress disorder: In detail, different studies demonstrate an effect of various prenatal influences ‐ such as maternal pregnancy‐related anxiety, maternal prenatal depression, or parental post‐traumatic stress disorder during pregnancy ‐ on the methylation of the promoter region of the glucocorticoid receptor (NR3C1), the receptor for the stress hormone cortisol (Glover et al. 2018).