Diastasis recti: Are there any circumstances when this would be a required surgery as opposed to an elective surgery?

It is possible to close the diastasis recti either through an abdominoplasty, endoscopic assisted abdominoplasty or laparoscopic surgery. The abdominoplasty approach is accessing the surface of the muscle fascia lata and stitches the fascia titre bringing the edges of the rectus muscles close...

Nausea can be seen with hernias. Also, Nissen fundoplication may cause nausea.  If the full GI work up is complete, then hernia repair may help resolve the nausea. 

The best way to determine the difference between diastasis recti and true hernia is on physical exam, but the photo you have provided and your history of back to back pregnancies supports a diagnosis of a typical diastasis, or separation of the abdominal wall muscles often seen after...