Another risk factor for sudden infant death syndrome is exposure to cigarette smoke, both before and after your baby is born. Additionally, low birth weight, and prematurity, maternal age younger than 18 years, and multiple births are also risk factors. Eliminating THIS risk is easy! DONT smoke when youre pregnant, and insist that NO ONE smoke around your infant. Preliminary studies have suggested that keeping a fan in your babys room may keep the air clear, and can also help regulate room temperature.