First of all you need to concentrate on to strengthen your pelvic floor muscles.
As it's been 8 week so you can start up to focus on abdominal core strengthening exercises as well along with breathing, will be more effective.
Next Steps
Gradually you can start excercise on physio ball ( Swiss ball)
Health Tips
I would suggest to consult once to gynac physio so that you will be educated briefly for your better understanding regarding excercise to follow.