Apron Belly vs FUPA: How to Tell Which One You Have

Apron belly vs FUPA: the difference

A FUPA is extra fat, and sometimes sagging skin, on the mons pubis itself. It sits below the belly and in front of the pubic bone. An apron belly, or panniculus, starts on the abdomen and hangs down. Even the mildest apron belly (grade 1) already covers the pubic hairline and mons.^[3]

The confusion is common. In a Reddit thread about the “dreaded FUPA”, the top reply reads:^[8]

The mix-up matters because the two respond differently to weight loss, need different garments and are treated with different surgeries.

Side by side

How to tell whether you have an apron belly or a FUPA

Stand in front of a mirror and try to lift the tissue above your pubic area. If there’s a fold you can lift, with skin touching skin in a crease underneath, it’s an apron belly. If the fullness sits on the pubic mound itself and there’s nothing to lift, it’s a FUPA.

1. The lift test. Can you get a hand under it? A Reddit user explained it: with an apron belly, “you can get a hand or your pants under it and stop the skin from touching”.^[8]
2. The crease. An apron belly has a crease where the fold meets the lower body, and that’s where rashes start. A FUPA has no crease.
3. Where your waistband goes. Waistbands tend to roll under an apron belly. With a FUPA they sit across or above the mound.
4. How far it hangs. If the tissue covers the hairline or reaches the thighs, you’re looking at an apron belly grade, not a FUPA. See the 5 grades.

Can you have both?

Yes. A panniculus “can include the mons pubis”,^[4] so a sagging mons and a hanging abdominal fold often come together, especially after large weight loss or pregnancy. A nurse on Reddit describes exactly that:^[8]

It matters for surgery: according to Cleveland Clinic, a tummy tuck or liposuction “don’t lift your pubic area”, which is why surgeons may add a monsplasty to the same operation.^[1]

What about a B belly?

“B belly” is an informal term for a belly with a horizontal crease across the middle, so the profile looks like a capital B. It isn’t a medical term. A crease above the navel, with fullness above and below, is usually called a B belly. A single fold hanging down over the pubic area is an apron belly. The lift test above tells them apart.

How treatment differs

A FUPA that’s mostly fat can shrink with weight loss or be reduced with liposuction if the skin is firm. An apron belly is mostly stretched skin, which diet, exercise and liposuction can’t remove. Only a panniculectomy or tummy tuck removes it.^[3,7]

• Weight loss: reduces fat in both, but “excess skin and folds are virtually impossible to correct by diet, weight loss, or exercise”.^[3] One Reddit user put it as “FUPA will go down with fat loss… but an apron belly doesn’t go away unless you have surgery”, which is broadly consistent with the ASPS view.
• Liposuction: works best in people with “firm, elastic skin and good muscle tone”, so it suits some FUPAs and few apron bellies.^[7]
• Monsplasty: lifts or reduces the mons. It’s cosmetic, and incisions can take at least eight weeks to heal completely.^[1]
• Panniculectomy: removes the hanging fold, without tightening muscles.^[3] Insurers such as Cigna and Aetna consider covering it when the fold hangs at or below the pubic bone and causes a skin problem that hasn’t responded to 3 months of treatment.^[5,6]

What to wear for each

For a FUPA, a high-waist brief or short with a flat front panel over the mons is usually enough. For an apron belly, choose a garment whose top edge clears the fold, such as a high-waist boned short, cami or bodysuit, so the waistband can’t roll underneath it.

Our apron belly shapewear guide compares 8 garments on exactly this, with sizes up to 15X and a “skip if” for each.

Frequently asked questions