Are you applying for an EB-3 visa for you and your child? How old is she or he? Because CSPA is the Child Status Protection Act (CSPA), which is designed for children under the age of 21. Here's how the CSPA age is calculated: actual age minus I-140 processing time. This means that if your child was under 21 years old at the time you filed the I-140, then he or she will be able to go through the EB-3 visa process with you and move to the United States with you. I hope I have explained it clearly, if not, you can read the article on eb3.work about
How the CSPA Works for Children of EB-3 Applicants , maybe it will be explained more clearly here. If it's not a secret, why did you decide to move to the United States in the first place?