Version July 2025
| Possible problem | When to check |
| Growth | Your child's growth will be checked at each routine check-up, including:
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| Sleep | Starting when your child turns 1 year old, the doctor should ask about their sleep habits. Tell them if your child snores, sleeps in an unusual position, or does not sleep well. Also, make sure 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:
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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:
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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 to measure something called "hemoglobin." |
| Muscle and nerve problems | At any visit, tell your child's doctor if your child:
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