@CNN: A higher number of prenatal ultrasounds is not associated with an autism diagnosis. Ultrasound penetration depth, however, is, according to a new study https://t.co/7nAco8LlVp https://t.co/Vj5m0v4pRm

@CNN: A higher number of prenatal ultrasounds is not associated with an autism diagnosis. Ultrasound penetration depth, however, is, according to a new study https://t.co/7nAco8LlVp https://t.co/Vj5m0v4pRm