Women with ADHD may be more likely to have some adverse outcomes during pregnancy, new research suggests – but medication may not be the cause. A study led by researchers from the University of Sydney and published in CNS Drugs aimed to determine whether ADHD, its treatment with stimulant medication, or both might adversely affect pregnancy outcomes...The study of more than 5000 NSW women and their newborns is the largest of its kind to assess the impact of ADHD and commonly prescribed stimulant medications (dexamphetamine or methylphenidate) on mothers and their babies born between 1994 and 2012.