| Possible problem | When your doctor or nurse should check |
| Growth | Your child's growth will be checked at each routine check-up, including: - At the first visit
- At 2, 4, 6, 9, 12, 15, 18, and 24 months
- Once a year after age 2 years (until they are an adult)
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| Sleep | Starting when your child turns 1 year old, your doctor or nurse should ask about your child's sleep habits. Tell your doctor or nurse if your child snores, sleeps in an unusual position, or does not sleep well. Also, make sure that your child has a sleep test before they turn 4 years old. |
| Thyroid hormones | Your child's thyroid hormones should be checked at birth, 6 months, 12 months, and then once a year after that. |
| Hearing | Your child's hearing should be checked at each routine check-up. But it is especially important that their hearing be checked: - At birth
- At 6 months and at least once a year after that
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| Vision | Your child's vision should be checked at each routine check-up. But it is especially important that their vision be checked by an eye doctor: - At 6 months and then every year until age 5
- Every 2 years from ages 5 to 13 years
- Every 3 years from ages 13 to 21 years
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| Heart | Your child's heart should be checked for problems before and after birth. To do this, your doctor will do an imaging test called an ultrasound that creates images of the heart. |
| Blood | Your child's blood should be checked for problems at birth. Every year from ages 1 to 21 years, their blood should also be checked for a blood disorder called "anemia." To do this, your doctor will order a blood test called a "hemoglobin." |
| Muscle and nerve problems | At any visit, tell your child's doctor if your child: - Has any problems walking
- Begins using their hands or arms differently
- Has problems controlling their bowel or bladder
- Has neck pain or tilts their head to 1 side
- Has muscle weakness
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