Mason Delacroix
Fetal Alcohol Syndrome (FAS) is a permanent and preventable condition that occurs when a woman consumes any amount of alcohol during pregnancy. FAS is the most severe condition within a group of conditions called fetal alcohol spectrum disorders (FASDs). FASDs can cause a range of physical, cognitive, and behavioral abnormalities, including growth deficiencies, distinct facial features, and central nervous system (CNS) problems. People with FASDs can have lifelong effects, including problems with behavior, learning, memory, attention span, communication, vision, or hearing. The impact of alcohol use may create mild or severe symptoms, and there is no known safe amount or time to drink during pregnancy.
| Characteristics | Values |
|---|---|
| Preventable | Yes |
| Severity | Most severe end of FASD spectrum |
| Facial features | Abnormalities, minor features, smooth ridge between nose and upper lip |
| Growth | Deficiencies, problems |
| Central nervous system | Problems, structural and functional evidence of CNS involvement |
| Brain | Small brain size, alterations in specific brain regions |
| Cognitive | Cognitive deficits |
| Behavioral | Behavioral deficits |
| Motor | Motor and coordination problems |
| Learning | Problems with learning |
| Memory | Memory problems |
| Attention | Attention span problems |
| Communication | Communication problems |
| Vision | Vision problems |
| Hearing | Hearing problems |
| Social | Trouble getting along with others |
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What You'll Learn
Facial features: a smooth ridge between the nose and upper lip
Fetal Alcohol Syndrome (FAS) is a permanent condition that occurs when a woman consumes any amount of alcohol during pregnancy. Alcohol use during pregnancy can interfere with the baby's development, causing physical and mental defects. FAS is the most severe condition within a group of conditions called Fetal Alcohol Spectrum Disorders (FASDs). FASDs are preventable conditions that can occur when a baby is exposed to alcohol before birth.
FASDs can cause abnormal facial features, such as a smooth ridge between the nose and the upper lip. This ridge is called the philtrum. A flat or smooth philtrum can be present in people with FASDs. The Centers for Disease Control and Prevention's diagnostic criteria for FAS require three specific facial findings, including a smooth philtrum.
The philtrum is the vertical groove between the nose and the upper lip. A smooth philtrum can be a sign of FASDs, as can other facial features such as a thin upper lip and small eyes. People with FASDs can have lifelong effects, including problems with behaviour and learning, as well as physical problems.
Diagnosing FASDs can be difficult because there is no medical test, such as a blood test, for these conditions. Pediatric providers may suspect FASDs based on the baby's size and specific physical signs, but a definitive diagnosis may not be possible until the child develops further and exhibits additional symptoms.
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Central nervous system problems
Fetal Alcohol Syndrome (FAS) is a permanent and preventable condition that occurs when a woman consumes any amount of alcohol during pregnancy. Alcohol use during pregnancy can interfere with the baby's development, causing physical and mental defects.
FAS is the most severe condition within a group of conditions called fetal alcohol spectrum disorders (FASDs). FASDs can have lifelong effects, including problems with behaviour and learning, as well as physical problems. These disorders can occur when a person is exposed to alcohol before birth, and the amount of alcohol consumed does not need to be significant.
People with FAS have central nervous system (CNS) problems, minor facial features, and growth problems. CNS problems can include small head size, problems with attention and hyperactivity, and poor coordination. They might also have problems with learning, memory, attention span, communication, vision, or hearing. These problems can make it hard for people with FAS to do well in school and get along with others.
Alcohol-related neurodevelopmental disorder (ARND) is another condition under the FASD umbrella. People with ARND might have intellectual disabilities and similar problems with behaviour and learning as those with FAS. They might also struggle with math, memory, attention, judgment, and impulse control.
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Growth deficiencies
Fetal Alcohol Syndrome (FAS) is a permanent condition that occurs when a woman consumes any amount of alcohol during pregnancy. It is the most severe condition within a group of conditions called Fetal Alcohol Spectrum Disorders (FASDs). FASDs are preventable if a developing baby is not exposed to alcohol.
Babies with FAS may have noticeable changes to their facial features and limbs, as well as growth deficiencies. Growth retardation is required for a diagnosis of FAS. Four decades of animal and human studies have demonstrated intrauterine growth retardation (IUGR) among offspring exposed prenatally to alcohol, resulting in smaller weight, length, and head circumference at birth. These prenatal growth deficits have been shown to persist through infancy and into later childhood.
In a prospective cohort of infants in Detroit, prenatal alcohol exposure was related to fetal growth restriction and a postnatal reduction in weight at 6.5 months. Similar effects were observed in a study of children in Boston who were exposed to alcohol and cocaine in utero. In a heavily exposed longitudinal cohort in Cape Town, fetal alcohol-related growth reductions persisted through 9 years.
Maternal alcohol consumption has also been associated with reductions in placental weight, which may mediate the effects of alcohol exposure on growth in utero. The postnatal growth restriction seen in children with heavy exposure may be due to alterations in fetal programming, endocrinologic development, postnatal metabolism, and/or feeding behaviors.
Children with fetal and postnatal growth restriction are at greater risk of intellectual impairment than those with only fetal growth restriction who exhibit catch-up growth. Growth restriction is now included as a diagnostic criterion for FAS and PFAS (Partial Fetal Alcohol Syndrome).
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Cognitive and behavioural deficits
Fetal Alcohol Spectrum Disorder (FASD) is an umbrella term for a range of cognitive-behavioural deficits and physical anomalies in children caused by prenatal alcohol exposure. Fetal Alcohol Syndrome (FAS) is the most severe diagnosis within the spectrum of FASD.
FAS is a permanent condition that occurs when a woman consumes any amount of alcohol during pregnancy. Alcohol is passed through the mother's bloodstream to the fetus via the umbilical cord. The fetus cannot metabolize alcohol in the same way as an adult, so it stays in the body for longer, interfering with the development of the fetus, particularly the brain and central nervous system.
People with FAS often experience a mix of learning, memory, attention span, communication, vision, and hearing problems. They may also have a hard time in school and struggle to get along with others. These issues can impact their social life, education, and work throughout their lives.
Early studies of language development in children with substantial prenatal alcohol exposure have reported a broad range of impairments, including oral motor, linguistic, and semantic skills. Carney and Chermak found that younger children showed global language delays, while older children displayed primarily syntactic deficits.
FASD is preventable if a developing baby is not exposed to alcohol. Prenatal alcohol exposure is the leading preventable cause of cognitive deficit in developed countries.
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Motor and coordination problems
Fetal Alcohol Syndrome (FAS) is a permanent condition that occurs when a woman consumes any amount of alcohol during pregnancy. Alcohol use during pregnancy can interfere with the baby's central nervous system and overall development, causing physical and mental defects.
FAS is the most severe condition within a group of conditions called fetal alcohol spectrum disorders (FASDs). FASDs are preventable conditions that can occur when a baby is exposed to alcohol before birth. These conditions can affect each person differently and can range from mild to severe.
Children with FASDs often experience coordination problems and impaired gross motor skills. These motor and coordination issues can manifest as problems with balance and how they play with a ball. Physiotherapists, who are specialists in movement, can help children with these issues improve their motor skills.
In addition to motor and coordination problems, FASDs can cause a range of other physical and cognitive problems, including:
- Abnormal facial features, such as a smooth ridge between the nose and upper lip (philtrum).
- Growth problems.
- Vision or hearing problems.
- Delayed speech and language development.
- Difficulty concentrating and a short attention span.
- Learning disabilities.
- Poor reasoning and judgment skills.
- Social and behavioural problems.
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Frequently asked questions
Fetal alcohol syndrome (FAS) is a permanent condition that happens when a woman consumes any amount of alcohol during pregnancy. It is the most severe condition within a group of conditions called fetal alcohol spectrum disorders (FASDs).
Alcohol is passed through the mother's bloodstream to the fetus through the umbilical cord. The baby doesn't metabolize alcohol in the same way as an adult, so it stays in the body for longer. This can interfere with the normal development of the fetus, particularly the brain and central nervous system.
Babies with FAS may have noticeable changes to their facial features, such as a smooth ridge between the nose and upper lip (the philtrum). They may also have growth problems, delays in development, and physical and mental defects.
Yes, fetal alcohol syndrome can be prevented by not drinking any alcohol during pregnancy. There is no known safe amount or time to drink during pregnancy.
