Perineium is now more separated than it was before my Perineoplasty - why did this happen?

You need an exam to see what's going on. It's unusual to have something loosen up suddenly 6 months after surgery. More details are needed too. These issues are usually easy to manage, but an exam is needed determine a specific solution.

Dear patient.
in view of not having any before and after pictures, doing an exam, and having your previous history of any vaginal delivery it is difficult to state what has happened.
please visit your doctor and find out what has happened.
Good luck and best of health

The recurrence of your wide introitus may be due to a number of reasons, some of which are out of anyone's control. Even in the best of hands a good estimate of recurrence may be as high as 15%. You should return to your surgeon for an assessment and if you feel necessary seek out a second opinion.

Go to the link below to learn more about reconstructive and cosmetic vaginal surgery and to view hundreds of before and after photos of vaginoplasty procedures. From that link you can schedule a virtual consultation via phone or zoom, at which time we can discuss in depth your anatomy, expectations and concerns. Women from all over the world travel to my Center for their Intimate Makeover.
Best of luck,