Quick Answer: What Are The 4 Main Causes Of Birth Defects?

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 is the rarest birth defect?

What are rare birth defects?22q11. 2 deletion syndrome (DiGeorge Syndrome and Velocardiofacial syndrome)Albinism, ocular.Albinism, oculocutaneous.Anencephaly (a neural tube defect)Arnold-Chiari malformation (chiari malformation)CHARGE syndrome.Congenital adrenal hyperplasia.Congenital diaphragmatic hernia (CDH)More items…

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.

What are the 5 most common birth defects?

The most common birth defects are:heart defects.cleft lip/palate.Down syndrome.spina bifida.

What are the signs of abnormal baby?

Here’s a primer on nine of the most common birth defects: their prevalence, causes, symptoms, and treatment….Symptoms:Rapid heartbeat.Breathing difficulties.Feeding problems (which result in inadequate weight gain)Swelling in the legs, abdomen, or about the eyes.Pale grey or bluish skin.

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 you tell if your baby will be disabled?

First trimester screening is a combination of tests completed between weeks 11 and 13 of pregnancy. It is used to look for certain birth defects related to the baby’s heart or chromosomal disorders, such as Down syndrome. This screen includes a maternal blood test and an ultrasound.

Can mental retardation be detected during pregnancy?

The Triple Screen is a blood test capable of determining whether or not your baby may be at risk for birth defects, such as Spina Bifida, or chromosomal abnormalities, such as Down Syndrome (a common form of mental retardation).

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.

At what stage of pregnancy do birth defects occur?

Birth defects can occur during any stage of pregnancy. Most birth defects occur in the first 3 months of pregnancy, when the organs of the baby are forming.

Can crying and stress affect unborn baby?

Can crying and depression affect an unborn baby? Having an occasional crying spell isn’t likely to harm your unborn baby. More severe depression during pregnancy, however, could possibly have a negative impact on your pregnancy.

How do I know my baby is healthy in my womb?

Around the seventh month, the foetus reacts to stimuli such light, sound or pain. By the eighth month, a baby starts changing her position and kicks more frequently. Studies have shown that by the ninth month, movement becomes less due to less space. All these are signs that your unborn baby is healthy.

How can I prevent my baby from being disabled?

How to Prevent Your Child From Developing DisabilitiesAct to Prevent Disabilities During Pregnancy. … Quit Smoking and Avoid Second-Hand Smoke. … Know the Dangers of Substance Use. … Take Recommended Vitamins and Meet Nutritional Needs. … Screen Newborns for Early Intervention. … Early Eye Examinations Are Important.

How do you know if your baby is stressed in the womb?

Heart rate abnormalities that are signs of fetal distress: Tachycardia (an abnormally fast heart rate) Bradycardia (an abnormally slow heart rate) Variable decelerations (abrupt decreases in heart rate) Late decelerations (late returns to the baseline heart rate after a contraction)

Can arguing during pregnancy harm the baby?

It is normal to have arguments sometimes, which is not likely to cause any harm, but any excessive argument should be avoided, since it may cause serious consequences to both the mother and the baby. Using tips and proper medical therapy can pacify these arguments for a smooth pregnancy.