Autism, or autism spectrum disorder (ASD), refers to a broad range of conditions characterized by challenges with social skills, repetitive behaviors, speech and nonverbal communication.Autism is a spectrum disorder, each person with autism has a their own set of strengths and challenges. The ways in which people with autism learn, think and problem-solve can range from highly skilled to severely challenged. 

In toddlers and babies some signs would no social smiles or other warm, joyful expressions  and limited or no eye contact at 6 months.By 9 months, no sharing of vocal sounds, smiles or other nonverbal communication.By 12 months, no babbling, no use of gestures to communicate, no response to name when called.By 16 months, no words.By 24 months, no meaningful, two-word phrases.

If you have concerns about your child’s development, contact your pediatrician as soon as possible. Diagnosis can also be made by professionals who have gone through specific training, such as doctors, psychologists and psychological associates, and registered nurse practitioners.