Younger moms have increased risk of having a child with ADHD A new study out of the University of South Australia indicates that women who give birth at a younger age have an increased risk of their child developing ADHD later. This is especially true for women who have their child before they turn 20. The research included data on more than 220,000 women. Read more about the findings: https://www.moms.com/young-moms-more-likely-to-have-kids-with-adhd/