High levels of alpha-fetoprotein and acetylcholinesterase are associated with neural tube defects.
The life expectancy of those who survive is only a few hours or days Jaquier 2006.
Ultrasounds are used to view internal organs as they function, and to assess blood flow through various vessels.
It is still not known what causes anencephaly.
Many hospitals offer perinatal hospice care.
Together with the spinal chord, it controls many of the body's unconscious functions, such as the heart beat, and it coordinates most voluntary movements.