What Is Fetal Chromosomal Aneuploidy Test?

Fetal chromosomal aneuploidy testing analyzes a developing baby's chromosomes to identify any abnormal numbers. Chromosomes are the thread-like structures within cells that carry our genetic information. Normally, humans have 46 chromosomes, 23 inherited from each parent. However, sometimes an error occurs during cell division, resulting in an abnormal number of chromosomes in the fetus. This is called fetal chromosomal aneuploidy.
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