Patient's question:
Parents have undergone chromosome testing without abnormalities, but the baby has developmental delays. They went to the hospital for a peripheral blood chromosome test and G-banded karyotype analysis. At the 400 to 500 band level, the karyotype was: 46, XY, Del(4)(p15). Is it a deletion of 4p15? Could you please tell me what impact this has on the baby?Doctor's answer:
According to the situation you described, it seems there might be a misunderstanding on your part. I'd like to ask, in what aspects is the child's development delayed? Currently, there are 23 pairs of chromosomes in the human body, with the 46th pair being the sex chromosomes, XY representing the sex chromosomes. The issue lies with the sex chromosomes. I don't know the child's current height, weight, gender, or intellectual development. Generally, developmental delays are associated with issues in the 23rd pair of chromosomes, often leading to intellectual disabilities. You can send me the report to take a look.