EN

By

Dielika BA

· STARVAC · Expert advice

· Published on

September 30, 2026

In brief

After a pregnancy, the stomach can stay slack: the skin has been stretched and the abdominal muscles need time to regain strength. Once the doctor or midwife has given the go-ahead and pelvic floor rehabilitation is done, gentle activity, good hydration and non-invasive firming treatments such as Stretching Cellulaire® help restore a firmer stomach.

Why does the stomach stay slack after pregnancy?

During pregnancy, the skin on the stomach stretches for several months to make room for the baby. The abdominal muscles also separate to adapt. After birth, it is normal for the stomach to be softer, less firm and sometimes marked.

The skin gradually regains its tone, but at a pace that varies from woman to woman: age, skin quality, weight gain, number of pregnancies, hydration and physical activity.

The most common signs

  • Softer or “loose” skin on the stomach
  • Loss of firmness around the navel
  • Stretch marks, more or less visible
  • A stomach that stays rounded despite weight loss
  • A feeling that the abdominal wall lacks support

These changes are natural. The goal is not to get back “the stomach you had before” at all costs, but to support the skin and tissues so they regain tone and comfort.

When can you resume body treatments?

The priority after giving birth is recovery. Before considering a firming treatment for the stomach:

  • Wait for the go-ahead from the doctor or midwife, usually after the postnatal check-up
  • Complete pelvic floor rehabilitation, then abdominal rehabilitation if prescribed
  • Wait until breastfeeding has ended for certain treatments, according to your healthcare professional's advice
  • After a caesarean, wait for the scar to heal well before any treatment in the area

Good habits for a firmer stomach

1. A gradual return to activity

Walking, then strengthening exercises adapted to the postnatal period (gentle planks, abdominal breathing), help the abdominal wall regain its support. Classic “crunch” sit-ups should be avoided until rehabilitation is complete.

2. Skin hydration

Drinking enough and moisturising the skin on the stomach every day helps preserve its suppleness and comfort.

3. A balanced diet

Enough protein, fruit, vegetables and healthy fats supports skin quality and recovery.

4. Patience

The skin and muscles change over several months. Regular support gives better results than a quick fix.

“After a pregnancy, the body needs time. Our role is to support the skin gently, at the right time, alongside rehabilitation and a gradual return to activity.”

STARVAC partner professional

Key takeaways

  1. A slack stomach after pregnancy is normal: the skin has been stretched and the abdominal muscles have separated for several months.
  2. Before any body treatment, the doctor or midwife must give the go-ahead and pelvic floor rehabilitation must be completed.
  3. A return to suitable activity, hydration and a balanced diet prepare the skin to regain tone.
  4. Non-invasive firming treatments, such as Stretching Cellulaire®, support the firmness and quality of the skin on the stomach.
  5. A gradual protocol, as a programme then as maintenance, gives the most visible and lasting results.

Natural firming treatments in the salon

Once the go-ahead has been given, non-invasive firming treatments support the skin on the stomach gently.

Next-generation Stretching Cellulaire®, powered by HyperPulse®, mobilises the tissues mechanically and gradually. It supports firmness, tone and skin quality, non-invasively and without heat. The intensity is adjusted to each client's sensitivity.

If there is a feeling of swelling or heavy legs after pregnancy, Pressodynamie® can complete the protocol with a draining and relaxing effect.

Conclusion

A slack stomach after pregnancy is a normal stage. With time, a suitable return to activity, good lifestyle habits and regular firming treatments, the skin can regain firmness. The key is to respect the body's pace and to start at the right time.

Frequently asked questions

How long after giving birth can you have a firming treatment?

You need to wait for the go-ahead from the doctor or midwife, usually after the postnatal check-up and pelvic floor rehabilitation. After a caesarean, the scar must be fully healed.

Is Stretching Cellulaire® suitable after pregnancy?

Yes, once medical approval has been given. It is a mechanical, natural and non-invasive treatment, with intensity adapted to each area and each client.

How many sessions for a firmer stomach?

The first effects on the appearance of the skin usually appear after a few sessions. A full programme, followed by maintenance sessions, helps prolong the results.

Can treatments erase stretch marks?

In-salon treatments can visibly improve skin quality and the appearance of stretch marks, without promising to make them disappear.

Find out more