Many women come back to adult gymnastics after giving birth, only to find that their stomach muscles just aren’t what they were. If this applies to you, check out this tremendously useful article about ‘closing the gap’ naturally. Please check with your doctor before embarking on any training plan post-pregnancy. The good news is that for many women the problem is correctable. Chances are you will be able to do what you love once again with a little time invested in recovery. 
http://heidipowell.net/11122/diastasis-recti-closing-the-gap/
Adult Gymnastics Taking AUS by Storm
Adult Gymnastics: Leotards Optional From the balance beam to uneven bars, you can now try exercises usually left to the pros, and improve mobility, build core stability and create body and spatial awareness as you do it. Leotards: optional.
Adult Gymnastics 