Rectus Diastasis After Pregnancy: What It Means, How to Heal, and When to Seek Help
Rectus diastasis after pregnancy—also called abdominal muscle separation—is a common experience for new moms. This condition develops when the growing baby causes the right and left sides of your rectus abdominis muscle (the “six-pack” muscle) to pull apart along the midline, making room as your belly expands. It's a natural adjustment your body makes to accommodate your baby, and—with some patience—most women see steady improvement.
It’s important to remember that rectus diastasis is not a personal failure, and it’s far from rare. Many women experience some degree of abdominal separation after giving birth. This is simply your body’s way of adapting, and with the right support and a bit of grace for yourself, recovery is possible.
What Exactly Is Rectus Diastasis?
Rectus diastasis refers to the stretching and thinning of the connective tissue along the center of your abdomen—the linea alba—causing the two sides of your rectus abdominis to move apart. The separation is usually widest around the belly button but can extend higher or lower. A gap of less than 2 centimeters is generally considered normal, while anything wider is defined medically as a diastasis.
Why Does Rectus Diastasis Happen?
The combination of pressure from your growing uterus, natural weight changes, and pregnancy hormones (particularly relaxin) makes your connective tissue stretch and soften. This process helps your body safely accommodate your growing baby. After delivery, these tissues usually start to heal and tighten again, but sometimes the gap doesn’t fully close on its own.
What Are the Typical Symptoms of Rectus Diastasis?
- Bulging or domed tummy that sticks out for months postpartum, especially when straining or sitting up
- Weak core stability—your body may feel less stable when you lift, cough, or move suddenly
- Back pain or stiffness in your lower back
- A pulling or tight feeling along the center of your abdomen
- Less commonly: a visible bulge or “ridge” and, on occasion, urinary leakage
These symptoms are normal in the first weeks and months after birth, and most often improve over time. If you notice that your belly still bulges or your core feels weak several months postpartum, it may be a sign your rectus diastasis is slow to heal.
How Is Rectus Diastasis Diagnosed?
You can check for rectus diastasis at home: Lying on your back with knees bent, slowly lift your head and shoulders just off the floor. Using your fingers, gently feel along your midline above and below the belly button. If you can sink two or more fingers into a soft gap, you may have a diastasis.
🔍 Real-Life Example:
Three months after giving birth, Sophie found it hard to lift her baby, her lower back hurt often, and her tummy always felt bloated and unstable. With the help of a pelvic health therapist, she learned her abdominal muscles hadn’t fully come back together. Targeted postpartum exercises brought noticeable improvement within months.
How Can You Support Recovery from Rectus Diastasis?
Healing rectus diastasis is mostly about time and gentle, intentional movement. As soon as you feel ready—often after the early postpartum period—simple, safe exercises that target your deep abs (transversus abdominis) and pelvic floor can help. A trained women’s health or postpartum physical therapist can guide your routine for the best results.
Helpful Exercises Include:
- Diaphragmatic breathing (“belly breathing”)
- Gentle deep core activation
- Pelvic tilts in a lying position
- Controlled leg movements and side-lying exercises with stable core
- Targeted pelvic floor muscle exercises
⚠️ Important tip: Classical crunches, planks, and heavy lifting may make symptoms worse in the beginning—wait until you’re stronger before adding these back in.
What Are the Possible Risks and Complications?
If rectus diastasis doesn’t improve, it can lead to:
- Persistent lower back pain
- Weak core stability and poor posture
- Development of an abdominal hernia
- Problems with urinary continence (due to weakened support in the lower abdomen)
Early recognition and the right exercise plan can help avoid long-term issues and support better healing.
When Should You See a Doctor or Specialist?
- If you still feel a large gap (over 2–2.5 finger-widths) in your midline 6 months after birth
- If you suspect an abdominal hernia (a prominent, hard, or tender bulge)
- If you have increasing or ongoing pain, difficulties with bladder or bowel control
- If diastasis is getting in the way of daily life, caring for your baby, or returning to physical activity
A pelvic health physical therapist, OB-GYN, or family doctor can confirm the diagnosis and tailor a recovery plan for you.
Tips for Supporting Yourself Day-to-Day
- Focus on standing and moving with relaxed, upright posture
- Engage your core and gently tighten your pelvic floor when lifting
- Ask for expert advice if you’re ever unsure—early guidance makes a big difference
- Give yourself time; healing can take several months
Be patient and gentle with yourself. Your body has been through major changes and every recovery follows its own unique pace.
Rectus diastasis after pregnancy is common, and with care and patience, healing is usually possible. While it can be unsettling at first, remember that most cases improve over time. You can always reach out for professional support along your journey—plus, for extra tips and trustworthy guidance, don’t forget you can download our app. Trust, patience, and self-kindness are your best companions on the path to recovery.