Anyone have COPR extension before

we have received a very short COPR visa valid which expires in December 2022.
As we have a newborn baby we are not willing to travel immediately.
As such will it be possible to request for COPR expiry extension?
Can we do upfront medical if our application has been approved and then raise webform to request for extension?

Yeah we had the same situation ~2 years back. We emailed saying we could not travel and attached a letter from a doctor as evidence. We heard back from CIC after 6-7 months, and they asked us to redo medicals etc. and then gave us another CoPR recently.

We are in a similar dilemma now with cases increasing again; haven’t yet decided on when to do soft landing.