What are the 4 categories of birth defects?
What are the types of birth defects?Cleft lip or cleft palate.Heart defects, such as missing or misshaped valves.Abnormal limbs, such as a clubfoot.Neural tube defects, such as spina bifida, and problems related to the growth and development of the brain and spinal cord..
What causes abnormalities in baby during pregnancy?
Birth defects can be caused by genetic factors and by a variety of environmental injuries such as infection, radiation, and drug exposure during pregnancy. The majority of birth defects, however, are without detectable cause. About 20% of birth defects are caused by genetic or hereditary factors.
How many known birth defects are there?
There are more than 4,000 different kinds of birth defects, ranging from minor ones that need no treatment to serious ones that cause disabilities or require medical or surgical treatment.
What are some hereditary birth defects?
Top 5 Genetic Birth Defects NamedHeart defects: More than a million births worldwide yearly.Neural tube defects (including spina bifida): Nearly 324,000 births worldwide yearly.Blood disorders (such as sickle cell disease and thalassemia): More than 307,000 births worldwide yearly.Down syndrome: More than 217,000 births worldwide yearly.More items…•
Can stress cause birth defects?
An increase in the stressful life events index was associated with increased risk of all types of birth defects, with the strongest association for isolated cleft lip with or without cleft palate and anencephaly.
Can birth defects be seen on ultrasound?
Ultrasound can detect some types of physical birth defects. Examples of physical birth defects that may be found at 19 – 20 weeks are most cases of spina bifida, some serious heart defects, some kidney problems, absence of part of a limb and some cases of cleft palate.