Correction ========== Niclasen J, Nybo Andersen AM, Teasdale TW, *et al.* Prenatal exposure to alcohol, and gender differences on child mental health at age seven years. *J Epidemiol Community Health* 2014;68:224–32. The first author's name was published incorrectly as J Niclasen. The correct name should be Janni Niclasen.