@HappyNurse222 - It's a long process. Don't let this depress you - move forward with what you can control. Disqualifications are common - Waivers exist for a reason!
My recommendation - Continue to do well in your current activities (Physical Therapy, ....) and academics. Complete your application. Work on plan B's. Take the DoDMERB exam when scheduled - Don't wait to take it. In preparation for likely DoDMERB requests for more information after the initial exam, gather documents like surgical records/notes from the September surgery. You won't provide these documents as part of the initial exam but need them if requested by DoDMERB for review by DoDMERB, an Academy or ROTC.
Follow your physicians process for a full recovery. Let your surgeon and physical therapist know you might need documentation from them as to range of motion, limitations of use, release to full activity... Document your personal progress in recovery - possibly note when you can match your pre-injury/surgery CFA scores.
Every case is different. Take care of yourself first!