10/06/2026
FETAL ALCOHOL SYNDROME (FAS)
By Chipo James Mainda
Fetal alcohol syndrome (FAS) is a condition that develops in a fetus (developing baby) when a pregnant person drinks alcohol during pregnancy. A syndrome is a group of symptoms that happen together as the result of a particular disease or abnormal condition.
When someone has fetal alcohol syndrome, they’re at the most severe end of what are known as fetal alcohol spectrum disorders (FASDs).
Fetal alcohol syndrome (FAS) is a life-long condition that can’t be cured. This condition can be prevented if you don’t drink any alcohol during pregnancy. It’s possible that even small amounts of alcohol consumed during pregnancy can damage your developing fetus.
Fetal alcohol syndrome happens when a person drinks any alcohol during pregnancy, including wine, beer, hard ciders and “hard liquor”. Without alcohol use, FAS doesn’t happen.
One reason alcohol is dangerous during pregnancy is that it’s passed through your bloodstream to the fetus through the umbilical cord. The baby doesn’t metabolize (break down) alcohol in the same way an adult does – it stays in the body for a longer period of time.
Alcohol can interfere with the normal development of the fetus, particularly the brain and central nervous system. This occurs in any of the following ways:
* Alcohol can kill cells in different parts of the fetus, causing abnormal physical development.
* Alcohol interferes with the way nerve cells develop, how they travel to form different parts of the brain and their functioning.
* Alcohol constricts blood vessels, which slows blood flow to the placenta (food supply while in the uterus). This causes a shortage of oxygen and nutrients to the fetus.
* Toxic byproducts are produced when the body processes alcohol. These can then concentrate in the baby’s brain cells and cause damage.
Damage from alcohol can happen at any point during pregnancy. The beginning of fetal development is the most important for the whole body, but organs like the brain continue to develop throughout pregnancy.
It’s impossible to exactly pinpoint all of the development during pregnancy, making it risky to drink alcohol at any time prior to birth.
It’s also recommended that you avoid beverages containing alcohol when you’re trying to become pregnant. Many people don’t know they’re pregnant for the first few weeks of pregnancy (four to six weeks).
This is because it takes time for your body to build up enough hCG (human chorionic gonadotropin, a hormone that develops in early pregnancy) to be detected on a pregnancy test.
During those early weeks of pregnancy, the fetus is going through a massive surge of development. Alcohol use during this time could negatively impact the baby.
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