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Guide · Tummy tuck
Following pregnancy, the straight abdominal muscles separate in many women—a condition known as rectus diastasis. If the gap persists, exercise alone is usually no longer able to close it: working out strengthens the muscles, but it does not close the gap in the connective tissue between them. If symptoms persist, surgical repair of the rectus diastasis—often combined with a tummy tuck (abdominoplasty)—can stabilize the abdominal wall again.
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Rectus diastasis refers to the separation of the two straight abdominal muscles (musculus rectus abdominis) along the midline. During pregnancy, the abdominal wall stretches to make room for the growing child – the connective tissue seam between the muscle strands (linea alba) is overstretched in the process. In many women, the gap closes again after childbirth. If it persists, it can weaken the core and lead to back pain, an unstable feeling in the midsection, and a protruding abdominal wall.
Abdominal muscle training strengthens the muscles – the gap itself, however, lies in the connective tissue between them. If the linea alba is overstretched, the gap can often no longer be completely closed through exercise. If a visible bulge, back pain, or an unstable feeling in the body remains after the postnatal recovery phase, this is a reason to have the abdominal wall evaluated by a physician.
If postpartum recovery exercises and training are not sufficient, the abdominal wall can be surgically stabilized. In this procedure, the separated muscles are brought back together along the midline (rectus diastasis repair) and excess skin is tightened; if necessary, the belly button is repositioned (umbilical relocation). Whether and to what extent a procedure is appropriate depends on the individual findings and is determined during a personal consultation. More about tummy tuck.
A patient underwent a abdominoplasty with umbilical transposition and closure of the rectus diastasis; the gap between the abdominal muscles was approximately 3–4 cm. Around four weeks after the procedure, the patient reported only minor pain, wound healing was uneventful; skin and wounds were still taut at this time.
The described course of events is an individual example and does not allow any conclusions to be drawn about the outcome or healing process in other female patients.
„The rectus diastasis was about three to four centimeters wide and bothered the patient. Shortly after the operation, she had hardly any pain, and wound healing proceeded normally.“
— Attending Specialist, Plastic Surgery Frankfurt
In the first months after birth, the gap closes in many women with targeted postpartum recovery. If it persists beyond that, it can usually no longer be completely closed through exercise because the gap lies within the overstretched connective tissue.
Typically, there is a palpable or visible bulge in the midline of the abdomen that becomes more pronounced when tensing the muscles – such as when sitting up from a lying position. Certainty is provided by a medical examination.
The separated abdominal muscles are brought back together in the midline and the connective tissue is tightened. The closure is often combined with a tummy tuck. We will discuss the procedure individually.
The healing process is individual. In the first weeks, the skin and wounds are still taut. When and to what extent sports are possible again depends on the findings and will be planned with you personally.
In a personal consultation, we will discuss the findings, options, and the appropriate path – with no obligation.
Medically reviewed by Dr. med. Zeynep Potente · Updated on July 20, 2026
