Diastasis recti is a gap amongst the two sides of the rectus abdominis muscle mass which runs vertically down the anterior wall from the abdomen. Lots of Girls who may have had young children develop this issue as the abdominal muscles are stretched and separated to support the growing toddler https://grok.com/share/c2hhcmQtMw%3D%3D_21133d7c-40c4-4946-89c7-e214713a6970