Why Do Some Children have Foetal Alcohol Syndrome and Some Do Not?

ADH1B * 2 and ADH1B * 3 are ADH1B polymorphisms derived from alcohol dehydrogenase (ADH), a catalytic enzyme involved in ethanol oxidation. These alleles encode enzymes that cause oxidation of ethanol at a much faster rate than usual. By having a faster oxidation rate, alcohol will be metabolized faster and detoxified. Consumed alcohol enters the bloodstream, spreads throughout the body and may have a teratogenic effect on the fetus until alcohol is completely metabolized.

• Exposure to alcohol before birth. The use of alcohol by pregnant mothers can greatly damage the baby's brain and lead to serious congenital deficiency called fetal alcohol syndrome. Fetal alcohol syndrome includes head and facial anomalies, stunts, attention disorders, and ADHD, and about half of the children born with this syndrome, including psychiatric disorders, have brain development and cognitive abilities It is included. Development is closely related (or often referred to as intelligence). Most people have an intuitive intelligence concept Many words in English distinguish different levels of intelligence: clever, dull, smart, silly, clever, slow, etc. But there is no universally accepted definition of intelligence and people continue to insist on what it is. The basic problem remains: Is intelligence a general ability or a few independent capacity systems?

The problem that has been raised over the years is that why mothers drink alcohol during pregnancy, why all children suffer from fetal alcohol syndrome. The theory that genetics plays a role whether children have FAS is achieved first by studying twins. In the sample, twelve groups of twins were exposed to alcohol in the uterus, and in five groups of identical twins, in each group, both children were affected by FAS. In the 11 pairs of brothers twins,

Infants with alcohol-dependent mothers may have fetal alcohol syndrome. This can lead to facial malformations and mental retardation. The Health Education Administration recommends that pregnant women take 2 or 2 times a week, 1 to 2 wines a week. Please do not drink hard alcohol, choose to dilute 50-50 light beer or wine with soda or water. Risks associated with smoking during pregnancy include increased risk of miscarriage, premature segregation of the placenta, infant mortality and intimidation of the mother's life, low birth weight (increased susceptibility to infant infection), premature birth, There is low growth in childhood and adolescence. Difficulty learning