Is it necessary for newborns to undergo chromosome testing?
Oct 09, 2022
Source: Cainiu Health
Dr. Xie Zixing
Introduction
Chromosome testing is primarily used to detect teratogenic abnormalities. If a newborn is generally healthy and shows normal growth and development, chromosome testing is usually not necessary. However, if the newborn exhibits symptoms such as dull gaze, slow responsiveness, or widely spaced eyes, congenital intellectual disability may be suspected, and chromosome testing should be considered to determine whether chromosomal abnormalities are present.
Whether chromosomal testing is necessary for newborns should be determined based on specific circumstances.
1. Not necessary
Chromosomal testing in clinical practice is a method used to detect abnormalities in chromosome number or structure, primarily applied in screening for congenital malformations. If a newborn is generally healthy after birth, with normal growth and development, and shows no abnormal signs such as delayed responsiveness or blank staring, chromosomal testing is usually not required.
2. Necessary
If a newborn exhibits symptoms such as blank staring, sluggish responses, lack of reaction to stimuli, slanted eye corners, or widely spaced eyes after birth, there may be a higher likelihood of congenital intellectual disability, and chromosomal testing is generally recommended. This helps confirm whether chromosomal abnormalities are present. Results typically become available within about one month. Early detection of abnormalities allows for timely treatment, which can significantly benefit the newborn's long-term recovery and development.
