Before the file is built, not once a birthday is close. Ages, marital status and any applicable protections should be assessed by a qualified representative at the start, so the family knows which children are being filed for and why. No review can guarantee an outcome, a processing date, or approval.
Pending cases and granted status are not the same thing
A pending Gold Card case is a claim under examination; admitted lawful permanent resident status is a grant. A child who turns 21 while a case is pending raises an age question that may be argued on the law; a child already admitted does not lose that status simply by having a birthday. Official talk of processing in weeks describes intent, not a promise, and a scheduled interview is not certainty.
Review the actual notice, deadline and available official response process promptly. A provider’s estimate does not determine interview availability or the outcome of required steps. Build a dated review file around the dated official terms, payment instruction, vetting sequence, immigration filing stage, family documents, and travel commitments. Verify the official program status, payment instructions, and any independent immigration process before making irreversible plans.