anencephaly Flashcards
definition
neural tube defect of the nervous system associated with the disturbance of development of the fetus within the uterus; results in lack of development of the brain
prevalence
1 in 1,000-2,000 infants
etiology
cause: unknown; contributing factors-genetic; dietary (lack of prenatals); chemical (illicit drugs); mother - low education and poor socioeconomic status
s/s
may have underdeveloped brain stem; lack cerebral hemisphere and other parts of brain; vault of skull may be absent; infants usually blind, deaf, unconscious and lack ability to respond to external stimulation
prognosis
poor; 40% survive past one day of life; 5% of those that survive 7 days; frequent spontaneous miscarriage in 1st trimester of pregnancy
diagnosis
in utero w/prenatal checks and ultrasound measurements
medical management
use folic acid supplements before and during pregnancy