Autism Risk Lowest when Pregnancies Spaced 2 to 5 Years Apart

Large study supports earlier research that associated closely spaced pregnancies with increased risk of autism.   http://www.autismspeaks.org/science/science-news/autism-risk-lowest-when-pregnancies-spaced-2-5-years-apart?utm_source=email&utm_medium=text-link&utm_campaign=sciencedigest