BBL and Pregnancy: What Happens to Your Results?

Yes, you can get pregnant after a BBL, and you can have a BBL after pregnancy, but timing matters in both directions. A Brazilian butt lift has no known effect on fertility or on carrying a baby. What pregnancy changes is the result: the fat moved into your buttocks is living fat, so it expands as you gain weight in pregnancy and shrinks as you lose it afterwards. Most surgeons advise waiting until your BBL has settled, usually 6 to 12 months, before trying to conceive. If you already have children, the safest time for a BBL is after breastfeeding has finished and your weight has been stable for at least three months.

This guide covers both directions: getting pregnant after a BBL, and having a BBL after children, including after a C-section and as part of a mummy makeover. The evidence on pregnancy after a BBL is thin, so we also explain what the research does and does not show. If weight change is your main worry, see our guide to what happens if you gain weight after a BBL.

Can You Get Pregnant After a BBL?

Yes. A BBL moves your own fat from areas such as the tummy, flanks and back into the fatty layer under the skin of the buttocks, above the gluteal muscle. Nothing is done to the womb, ovaries or pelvis, so a BBL does not affect your fertility, and a healed BBL gives no medical reason to expect problems in pregnancy. The real question is how pregnancy will change the result.

We could find no published study that has followed BBL patients through a later pregnancy, so this advice rests on how fat grafts behave and on research from other body contouring operations. The closest evidence comes from the tummy tuck, which changes the abdominal wall far more than a BBL does. A 2023 systematic review in Aesthetic Plastic Surgery ↗ pooled 17 studies covering 237 women who became pregnant after abdominoplasty, on average 3.75 years after surgery. There were no maternal or newborn deaths, most babies were born at full term, and the authors concluded that pregnancy should not be ruled out after abdominoplasty^[1]. A large US records study of 304 women with a previous abdominoplasty found a higher rate of preterm delivery, but no increase in most other pregnancy complications^[2]. Neither study looked at BBLs, but both suggest that body contouring and a later pregnancy can coexist safely.

The one firm rule runs the other way: a BBL is never performed during pregnancy. If there is any chance you could be pregnant before surgery, tell your surgeon. A published case report describes a woman who had a tummy tuck while unknowingly pregnant; mother and baby did well, but the authors stress that elective surgery should not be done in pregnancy, and a single case cannot show it is safe^[3].

How Long After a BBL Can You Get Pregnant?

Most surgeons advise waiting until your BBL result has settled, which is usually 6 to 12 months after surgery. Your own surgeon will advise on your timing at your follow-up appointments. There are three reasons to wait:

• The grafted fat needs time to establish. Transferred fat has to grow a new blood supply. Around 50 to 70% of it survives, and the rest is reabsorbed over the first few months. The surviving fat is considered permanent from about 6 months.
• Your final result is not visible until 3 to 6 months. Swelling peaks at 3 to 5 days, the skin softens or “fluffs” at around 6 to 8 weeks, most of the result is visible at 3 months and the final shape at 3 to 6 months. If you conceive before then, you will never know what your settled BBL looked like.
• Recovery and early pregnancy do not mix well. For 2 weeks you cannot sit directly on your buttocks or sleep on your back, and you wear a compression garment day and night for 6 weeks. Early pregnancy brings nausea, tiredness and changes in medicines you can take.

Research on fat retention supports the 6-month marker. In a prospective study of 35 women who had ultrasound-guided fat grafting into the subcutaneous layer of the buttocks, 3D imaging showed that about 78% of the grafted volume remained at 3 months and about 65% at 6 months^[4]. In other words, the volume is still settling between 3 and 6 months, which is why it makes sense to let your result stabilise before a pregnancy adds weight and hormonal change. Our BBL recovery guide sets out what happens week by week.

If you become pregnant sooner than planned, the BBL itself is not a medical concern. Tell your midwife or GP about your surgery, and let your surgery team know so they can adjust your follow-up.

What Happens If You Get Pregnant After a BBL?

Once grafted fat has taken, it behaves like fat anywhere else in your body. During pregnancy that means three things happen to a BBL.

Your bum usually gets bigger. Most pregnant women gain between 10 kg and 12.5 kg, mostly after week 20, according to the NHS guide to weight gain in pregnancy ↗^[5]. Part of that is stored fat, and the fat cells in your buttocks, grafted ones included, take a share. Many women find their BBL looks fuller in pregnancy, not smaller.

The hips and thighs are a favoured place to store fat in pregnancy. A classic study in the Journal of Clinical Investigation took fat biopsies from the thigh and abdomen of women who were not pregnant, pregnant or breastfeeding. In pregnancy, fat storage was favoured in the thigh depot; during breastfeeding the pattern reversed and that same depot released fat much more readily^[6]. The study measured natural thigh fat, not grafted buttock fat, but it helps explain why the lower body changes so much across pregnancy and breastfeeding.

Grafted fat follows your weight. One published case report showed a fat graft placed during head surgery growing on MRI scans in step with the patient’s weight gain^[7]. A single case in a different part of the body cannot tell us how much a BBL will change, but it fits what surgeons see in practice. Our article on how long BBL results last explains why the surviving fat is permanent but still responds to weight.

What happens to your BBL pregnancy belly?

A “BBL pregnancy belly” is a common worry if your tummy and flanks were liposuctioned as donor areas. Liposuction does not stop your bump growing normally: the baby grows inside the abdominal wall, not in the fat layer. What may change is the contour you gained from liposuction. The remaining fat cells in the donor areas can enlarge with pregnancy weight, the skin stretches, and stretch marks or separation of the tummy muscles (diastasis recti) can develop. None of these is a complication of the BBL, but they can soften the waist-to-hip contrast that made your result look the way it did.

Will Pregnancy Ruin My BBL?

For most women, no. If you return to a weight close to the one you had surgery at, the grafted fat is still there and the shape usually comes back. Pregnancy rarely destroys a BBL, but it can change it. These are the changes that are usually temporary, and those that can last.

Usually temporary:

• Extra fullness in the buttocks and hips from pregnancy weight gain.
• A softer, less defined waist while you are carrying extra weight.
• A flatter or smaller-looking bum while you are breastfeeding, as fat stores are drawn on.
• Fat returning to the donor areas, which often settles as your weight returns to normal.

More likely to last:

• Weight you keep after pregnancy, which can alter your proportions.
• Weight lost below your pre-surgery weight, which shrinks the grafted fat along with everything else.
• Loose skin over the buttocks, hips or tummy, especially after larger weight gain, twins or several pregnancies.
• Progressive change with each further pregnancy.

Postpartum weight retention is common, which is why the most important factor is often what happens in the year after the birth. In a 2015 prospective cohort study of 774 women in Obstetrics and Gynecology ↗, about 75% were heavier one year after delivery than before pregnancy, 47% had kept more than 10 lb (about 4.5 kg) and 24% more than 20 lb (about 9 kg). Breastfeeding at 6 months and moderate exercise were linked to less weight retention^[8]. The women were mostly on low incomes in the US, so the figures will not apply exactly to everyone, but the message is clear: judge your BBL against your weight, not the calendar.

Does Breastfeeding Affect BBL Results?

It can. Breastfeeding uses a lot of energy, and many women lose weight while feeding, sometimes below their pre-pregnancy weight. The thigh fat study above found that during breastfeeding the lower-body fat depot switched from storing fat to releasing it^[6]. Your bum may look smaller or flatter while you are breastfeeding, and it often regains some fullness once you stop and your weight settles.

So do not judge your BBL results while pregnant or breastfeeding. Wait until you have stopped and your weight has been stable for at least three months before deciding whether you need any further treatment.

How Soon Can You Get a BBL After Giving Birth?

At Centre for Surgery a BBL is not carried out during pregnancy or while you are breastfeeding. Before a BBL after having a baby, you should have:

• Finished breastfeeding. Your body is still drawing on its fat stores, your weight is still changing and your breasts and body shape have not yet settled.
• A stable weight for at least 3 months. If you lost a large amount of weight after the birth, wait 6 to 12 months at a stable weight.
• Recovered from the birth itself, including any stitches or C-section wound, with your GP happy with your postnatal recovery.
• Help at home. For 2 weeks you cannot sit directly on your buttocks or sleep on your back, and you will need a responsible adult with you for the first 24 hours.

In practice a BBL after pregnancy is rarely possible before about 6 months after the birth, and often later if you breastfeed for longer. Can you get a BBL 3 months after giving birth? Usually not: most women are still losing pregnancy weight, many are still breastfeeding, and operating then means planning the fat transfer around a body that is still changing.

The anaesthetic is not the main reason to finish breastfeeding first. Guidance from the Academy of Breastfeeding Medicine says most anaesthetic and pain-relief drugs pass into breast milk only in small amounts, and most mothers can feed once awake and alert after surgery^[9]. The reasons to wait are about the result and your recovery: an unsettled weight, fat stores still being used, and caring for a baby while you cannot sit on your bum.

Your weight also decides how much fat is available. A BMI of about 23 to 28 usually provides enough donor fat for a standard BBL; if you are slimmer after having a baby, a mini BBL or skinny BBL may suit you better. Our article on the right body weight for a BBL explains more.

Can You Have a BBL After a C-Section?

Yes. A previous caesarean section does not stop you having a BBL. The same timing rules apply: your C-section wound should be fully healed, you should have finished breastfeeding and your weight should have been stable for at least three months. Your surgeon will examine your lower tummy, as scar tissue from a C-section can make liposuction of that area a little more difficult, and will plan your donor areas around it.

What a BBL cannot do is remove a C-section shelf. The overhang above some caesarean scars is a mix of loose skin, fat and scar tethering, and liposuction alone rarely fixes it. If that bothers you more than your bum, a tummy tuck may be the better first step; our guide to a tummy tuck after a C-section explains the options. If you want both a tummy tuck and a BBL, they are planned as two separate operations.

Can You Combine a BBL With a Mummy Makeover?

A mummy makeover usually combines a tummy tuck with breast surgery to treat the changes of pregnancy and breastfeeding. Many women would also like to restore volume to their bum, and a BBL can be part of the overall plan. At Centre for Surgery, though, a tummy tuck and a BBL are never performed in the same operation. They are staged 3 to 6 months apart.

The reason is positioning. After a tummy tuck you need to rest on your back with your hips bent to protect the abdominal wound, while after a BBL you must keep pressure off your buttocks and sleep on your front or side for 2 weeks. Doing both at once would put either the tummy tuck or the grafted fat at risk. Long combined operations also raise the importance of preventing blood clots, a point highlighted in a review of combined breast surgery and abdominoplasty in Plastic and Reconstructive Surgery^[10]. Our articles on whether a mummy makeover includes a BBL and whether you can combine a tummy tuck and BBL explain how the staging works.

Which comes first depends on your priorities and anatomy. Many women start with the tummy tuck, as it changes the waist and donor areas the BBL is planned around; others start with a BBL and 360 liposuction, the usual single-session combination. For a mummy makeover the timing is stricter: we recommend at least 6 months after delivery and at least 3 months, ideally around 6, after you stop breastfeeding, so the breasts and tummy have settled.

Is It Better to Get a BBL Before or After Pregnancy?

There is no single right answer, but the general advice is this:

• If your family is complete, a BBL after your last pregnancy is the most predictable choice, as future weight gain, breastfeeding and stretched skin will not change it.
• If you plan to get pregnant within a year or so, it is usually worth waiting. You would barely see the settled result before pregnancy changed it.
• If a pregnancy is several years away, a BBL now is reasonable, as long as you accept pregnancy may change the result and you might want a top-up later.

A BBL is generally less affected by pregnancy than a tummy tuck, where a later pregnancy can stretch the muscle repair again. Our article on whether you can have a mummy makeover if you plan to have more children covers that side of the decision.

What to Expect After Pregnancy If You Have Had a BBL

Your body changes in stages after the birth:

• The first 6 weeks: swelling and fluid settle and your womb shrinks back. Your bum may look softer or flatter than before. This is not a reliable picture of your BBL.
• 6 weeks to 6 months: weight usually comes down gradually, faster for some women who breastfeed. Proportions keep shifting.
• After breastfeeding stops: some fullness often returns as your weight and hormones settle.
• 3 months at a stable weight: this is the point at which you can fairly judge what pregnancy has done to your BBL.

A BBL result like the one below holds up best when you return to a weight close to the one you had surgery at.

Tap to reveal

Real Centre for Surgery patient, before and after BBL surgery. Individual results vary.

You can see more results across different body types in our BBL before and after photos.

Can You Fix BBL Results After Pregnancy?

Yes. A BBL cannot be fully reversed, as the grafted fat has its own blood supply, but it can be revised. The options depend on what has changed:

• Lost volume or new asymmetry: a revision BBL can add fat where it is needed, often taken from areas where fat has built up since the birth.
• Too much volume or fat in the wrong places: liposuction can reduce areas that have become fuller.
• Loose skin rather than lost volume: a buttock lift removes excess skin, and can be combined with fat transfer.
• A loose tummy or muscle separation: a tummy tuck, staged separately from any BBL.

The same timing rules apply as for a first BBL: breastfeeding finished, a stable weight for at least three months and no pregnancy planned soon.

Frequently Asked Questions

Brazilian Butt Lift in London

Brazilian butt lift surgery at Centre for Surgery is performed by GMC-registered surgeons at our CQC-regulated Baker Street hospital, rated Good overall by the CQC. Every BBL is a day case under TIVA, with fat placed only in the subcutaneous layer above the gluteal muscle under real-time ultrasound guidance. If you are planning a pregnancy or have recently had a baby, your surgeon will talk through the timing with you. The consultant who assesses you is the consultant who performs your surgery, and follow-up appointments are included. We recommend a two-week cooling-off period before you go ahead. Your initial consultation is £100, redeemable against the cost of surgery if you go ahead. Finance isn’t available for BBL at Centre for Surgery, so the procedure is self-funded; our guide to BBL cost in London explains pricing.

Phone: 020 7993 4849 | Address: 95–97 Baker Street, Marylebone, London W1U 6RN
Contact us to schedule a consultation

References

1. Karunaratne YG, Romeo PB, Willis M, Sanki A. The safety and effects of pregnancy after abdominoplasty: a systematic review of the literature. Aesthetic Plastic Surgery 2023;47(4):1472–1479. doi:10.1007/s00266-023-03423-x ↗
2. Cheng C, Martin SA, Perez JA, March MI. Perinatal outcomes following abdominoplasty: a retrospective study and review of current literature. American Journal of Obstetrics and Gynecology MFM 2024;6(4):101331. doi:10.1016/j.ajogmf.2024.101331 ↗
3. Lagumdzija J, Ender S, Mahrhofer M, et al. Surprise baby: abdominoplasty performed during unknown pregnancy (case report). Plastic and Reconstructive Surgery Global Open 2024;12(12):e6356. doi:10.1097/GOX.0000000000006356 ↗
4. Wang B, He P, Zhao R. B-ultrasound-assisted gluteal fat grafting in Asians: a prospective study of quantitative results from three-dimensional imaging and B-ultrasound analysis. Journal of Plastic, Reconstructive and Aesthetic Surgery 2024;94:12–19. doi:10.1016/j.bjps.2024.04.035 ↗
5. NHS. Weight gain in pregnancy. nhs.uk ↗
6. Rebuffé-Scrive M, Enk L, Crona N, et al. Fat cell metabolism in different regions in women: effect of menstrual cycle, pregnancy, and lactation. Journal of Clinical Investigation 1985;75(6):1973–1976. doi:10.1172/JCI111914 ↗
7. Anis KH, Sossa DE, Sossa DG, Castillo M. Intrasellar fat graft gains weight with the patient: imaging features (case report). Neuroradiology Journal 2013;26(3):301–303. doi:10.1177/197140091302600308 ↗
8. Endres LK, Straub H, McKinney C, et al. Postpartum weight retention risk factors and relationship to obesity at 1 year. Obstetrics and Gynecology 2015;125(1):144–152. doi:10.1097/AOG.0000000000000565 ↗
9. Reece-Stremtan S, Campos M, Kokajko L, et al. ABM Clinical Protocol #15: analgesia and anesthesia for the breastfeeding mother, revised 2017. Breastfeeding Medicine 2017;12(9):500–506. doi:10.1089/bfm.2017.29054.srt ↗
10. Matarasso A, Smith DM. Combined breast surgery and abdominoplasty: strategies for success. Plastic and Reconstructive Surgery 2015;135(5):849e–860e. doi:10.1097/PRS.0000000000001238 ↗

Related Articles

• Does Mummy Makeover Include BBL?
• Can You Combine a Tummy Tuck and BBL?
• What Happens If You Gain Weight After a BBL?
• How Long Do BBL Results Last?