followup
nounUK /ˈfɒləʊʌp/
US /ˈfɑːloʊʌp/
A followup is something you do later to check on something or someone.
The doctor scheduled a followup to see how I was healing.
OTHER MEANINGS
2. An extra action or message that comes after the first one.
She sent a followup email to make sure they got her note.
3. A second meeting or appointment to check progress.
I have a followup with my teacher next week.
4. Something that continues or builds on an earlier event or work.
The movie was a followup to the popular first film.