Causes of Developmental Delays
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What causes developmental delay? 16 possible conditions

Children reach developmental milestones at their own pace. Minor, temporary delays are usually no cause for alarm, but an ongoing delay or multiple delays in reaching milestones can lead to issues later in life. Delay in reaching language, thinking, and... Read more

See a list of possible causes in order from the most common to the least.

1

Mental Retardation

If your child has an intellectual disability (ID), their brain doesn't develop properly. Their brain may also not function within the normal range of both intellectual and adaptive functioning. In the past, medica...

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2

Cerebral Palsy

Cerebral palsy is a group of disorders that affect muscle movement and coordination. Learn about the causes, types, symptoms, and treatment of cerebral palsy.

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3

Down Syndrome

Down syndrome (sometimes spelled "Down's syndrome") is a genetic abnormality. It is the most common single cause of birth defects in the United States.

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4

Failure to Thrive

Your child may be diagnosed with failure to thrive if he or she falls below a healthy weight and shows signs of emotional underdevelopment. Typically, failure to thrive is discovered during a child's infant years. Idea...

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5

Muscular Dystrophies

Muscular dystrophies are a group of inherited diseases that damage and weaken your muscles over time. This damage and weakness is due to the lack of a protein.

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6

Hookworm Infections

Hookworms are parasites that affect the small intestine and lungs. The first sign of infection is usually a rash where the parasite entered the skin, followed by diarrhea.

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7

Hydrocephalus

Hydrocephalus is a condition that occurs when fluid builds up in the skull and causes the brain to swell. The name literally means "water on the brain."

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8

The Truth Behind Clumsy Child Syndrome: Developmental Coordination Disorder

Developmental coordination disorder is a lack of coordination between mental intentions and the ability to get the body to carry out those intentions.

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9

Cystic Fibrosis

Cystic fibrosis causes severe damage to the respiratory and digestive systems. Learn about its symptoms, causes, diagnosis, and treatment.

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10

Fetal Alcohol Syndrome

Fetal alcohol syndrome (FAS) occurs when a baby is born with varied mental and physical defects due to the mother consuming alcohol during pregnancy.

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11

Homocystinuria

Homocystinuria is an inherited disorder that keeps the body from processing the essential amino acid methionine. Amino acids are the building blocks of protein.

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12

Tuberous Sclerosis

Tuberous sclerosis is a rare genetic condition that causes noncancerous tumors in your brain, other organs, and skin. Learn how it's treated.

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13

All About Abetalipoproteinemia

Abetalipoproteinemia (ABL) is an inherited condition that prevents the body from completely absorbing certain dietary fats.

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14

Phenylketonuria

Find information on phenylketonuria causes, symptoms, diagnosis, and treatment.

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15

Aase Syndrome

Aase syndrome is a rare, potentially genetic condition characterized by several birth defects. These include a reduced number of red blood cells from birth and three bones in one or both thumbs, instead of two.

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16

Adrenoleukodystrophy

Adrenoleukodystrophy refers to several conditions that affect the nervous system and adrenal glands.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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