What is newborn screening tests?
Newborn screening tests are laboratory tests that help to identify potential risks for a condition or disease before your baby has symptoms or predicting future health issues so that any prevention can be taken. Newborn screening tests help your doctor to detect diseases in earlier and most treatable stages of your baby’s life.
Your newborn baby can’t tell or you can’t know what happening exactly with him or her so that doctor will make treatments. To solve these complexities, it will be benefit by detecting the disease before symptoms begin. In this aspect screening tests are best options. Newborn screening tests should be sensitive – that is, able to correctly identify a disease or acute health condition.
List of important newborn screening tests
A positive newborn screening tests often requires further testing with more specifically. The screening tests may be used for screening purposes, but a diagnostic test generally performed to confirm a diagnosis in you baby having signs, symptoms, or evidence of a particular disease. To examine health status many routine newborn screening tests performed at regular basis since variety of conditions at birth. These important tests are listed below.
Otoacoustic Emissions (OAE) Test
Otoacoustic Emissions (OAE) screening test performed to identify if certain parts of your baby’s ear respond to sound or not. In this test, a scaled-down earphone or microphone are placed inside the ear and sounds are played. For normal hearing, an echo reflects back into the ear canal, which is measureable by microphone. If no echo is detected, it can signifies hearing loss of your baby.
Auditory Brain Stem Response (ABR) Test
Auditory Brain Stem Response (ABR) Test performed to evaluate the auditory brain stem. Auditory brain stem are the part of the nerve that carrie sound from the ear to the brain along with brain’s response to sound. For Auditory Brain Stem Response, small earphones placed in the ear by playing sounds. Band-Aid-like electrodes placed to your baby’s head to detect the response from brain using sound. When baby’s brain unable not respond consistently to the sounds, it may be a hearing problem.
Newborn screening tests in heart
This screening test is called pulse oximetry. The test checks the oxygen amount in your baby’s blood using sensors by attaching it to finger or foot. It is used to screen your baby’s heart related problems called congenital heart defect (CHD). This screening test is very important for your baby before he or she leaves the hospital after birth.
Phenylketonuria (PKU) newborn screening tests
Phenylketonuria (PKU) screening test used to check whether your baby has need enzymes to use phenylalanine in his or her body. Phenylalanine is an amino acid, which is essential for normal growth and development of baby. Enzyme assay performed to see if person planning to have baby carry the genes for PKU. Sampling test also performed during your pregnancy to screen unborn babies for PKU. If you have PKU, you can prevent yourself from PKU by routine following a low-phenylalanine diet throughout your life.