Anencephaly represents the consequence of the fact that the neural tube does not close in the cranial part. Nerve cells degenerate and bone formation isn`t possible anymore.
Have you heard of Arnold-Chiari malformation? If you are getting ready to become a mother and you are concerned about your future child, you most likely have.
Most spinal cord malformations are caused by the abnormal closure of neural envelopes at weeks 3 and 4 of pregnancy. The malformations that are produced, known as neural tube defects, can affect the meninges, teguments, vertebrae and muscles. The severe neural tube defects, which involve neural and non-neural structures, occur at around 1/1.000 births. However, the incidence may vary depending on the population studied and may reach up to 1/100 births in certain areas, such as the northern part of China.
Lack of congenital or pigment deficiency involving the iris, hair or skin. These pigments have a protective role in the sense that melanin protects the skin from the sun rays` action.
Have you wondered by now how early can birth defects be detected? If not, maybe it`s time you do, especially if you are planning to have a baby.
Birth defects, also known congenital abnormalities, are caused by numerous factors and are usually quite varied. Unfortunately, they often cannot be treated, so their intrauterine detection remains the most efficient intervention method. Let`s find out what are the most common birth defects.