In short
- A change in sensation is to be expected and is almost always temporary. The FDA includes it among the complications occurring in at least 1% of patients, noting that it may be an increase or a decrease, of varying degree, temporary or permanent.
- 🔑 In a study of 162 patients measured with monofilaments, 92.5% had recovered their pre-operative sensation in every area of the breast by 12 weeks.
- The residual deficit in the nipple at that point was 4%.
- The area that takes longest is the lower outer quadrant, with 16.15% still showing reduced sensation at 12 weeks — and the authors link it to the use of the inframammary fold incision.
- 🔑 And the surprising finding: implant size was NOT associated with loss of sensation. In that study the implants increased breast volume by between 12% and 103%, and within that range there was no association between how much was added and the sensory deficit.
- What was associated with more deficit: age, a high body mass index and a thicker soft tissue envelope.
- ⚠️ On which incision best preserves sensation, the studies disagree, and this page publishes that rather than picking the convenient one.
- Sensation can also increase, not only decrease: transient nipple hypersensitivity is common in the first few weeks.
“My nipple has gone numb” is one of the most frequent questions of the first month, and one of the worst answered: most websites say it “usually comes back” and give neither a timescale nor a figure.
There are studies that measured it with instruments, not with questionnaires. This page sets out what they found — including one finding that overturns the most widespread belief on this subject.
Why sensation changes
Sensation in the nipple and areola comes mainly from branches of the intercostal nerves, which reach the breast from the side and from below, crossing the tissue to the nipple-areola complex.
A breast augmentation does two things that affect that route:
- It creates a pocket for the implant, dissecting tissue through which those branches run.
- It stretches the tissue, because volume is added. The nerves stretch with it.
🔑 Most of what you notice is that second thing: stretching, not division. And that is why the vast majority recover — a stretched nerve works again; a divided one does not always.
What was measured, and how
Here is the difference between this page and the others: there are studies that measured sensation with calibrated instruments instead of asking the patient how it felt.
The monofilament study
162 consecutive patients having subfascial augmentation, assessed with Semmes-Weinstein monofilaments — an instrument that applies known pressures and determines the detection threshold — before surgery and at 2, 6 and 12 weeks.
What it found at 12 weeks:
| Outcome | |
|---|---|
| Recovered pre-operative sensation in every area | 92.5% |
| Nipple-areola complex not recovered | 4% |
| Lower outer quadrant with reduced sensation | 16.15% |
And three factors associated with more deficit: older patients, a high body mass index and a thicker measurable soft tissue envelope.
🔑 The counter-intuitive finding
In that same study, how much each breast’s volume had increased with the implant was calculated. The range was 12.1% to 102.7% — that is, from a modest increase to doubling the volume.
Within those limits, there was no association at all between the percentage increase in volume and the sensory deficits.
⚠️ That contradicts the most widespread belief on this subject, which is “the bigger the implant, the more sensation you lose”. In this study, no.
What did relate to the area of greatest deficit was the incision: the lower outer quadrant, which took longest, was associated with the use of the inframammary fold route.
The other series, with thousands of patients
A follow-up of 4,927 patients having primary augmentation with a form-stable implant, assessed before surgery and at 4 weeks, 6 months and annually up to 10 years, found notably lower figures:
- Changes in nipple sensation in the inframammary cohort: 0.3% at 4 weeks and at 6 months, and 0.4% at 10 years.
- Changes in skin sensation: between 0.0% and 0.1%.
- No change in sensation in the periareolar cohort (610 devices).
- The incidence of breastfeeding problems was similar to that in post-partum women without implants.
⚠️ Why those figures are so different from the earlier ones. Because they are not measuring the same thing: this work records adverse events reported — what gets noted as a problem — and the earlier one measures detection thresholds with an instrument. A slightly altered threshold at 12 weeks shows up in the second and not in the first.
🔑 Both figures are true. The first describes what can be detected; the second, what comes to be considered a problem.
On the incision, the studies disagree
It is the question asked most and the honest answer is that it is not settled.
- The study of 4,927 patients recorded no change in sensation in the periareolar cohort, against 0.3-0.4% in the inframammary one.
- A study with objective measurement in 33 patients found the opposite in one specific area: at 6 months, the lower pole had a significantly worse threshold with the inframammary fold incision (9.5 ± 2.9 g/mm²) than with the periareolar one (1.7 ± 0.6 g/mm²). Its authors conclude that the periareolar incision may produce less sensory loss in the lower pole.
- The monofilament study of 162 patients also points to the lower outer quadrant and to the inframammary incision.
⚠️ That is: two of the three works suggest the inframammary route leaves more deficit in the lower pole, and the largest of them all finds no difference. They are different methodologies — measured thresholds against recorded events — and different populations.
🔑 What can be said without stretching anything: the incision influences where the deficit ends up, more than how much of it there is. And neither route produces a significant loss of sensation in most patients.
And here, does it determine the choice of incision?
No. The practice’s criterion is that concern about sensation does not, on its own, decide where we go in.
And the reason is in the figures above, not in a preference: residual deficit is uncommon by either route, the studies do not agree that one is better, and the incision is chosen by weighing other things that do have a clear answer — where the scar will end up, the plane the implant will go in, its type and your anatomy.
🔑 Which does not mean you should not say so. Saying so changes what gets explained to you — what is known, what is not and what you can expect — even if it does not necessarily change the approach. And if sensation matters more to you than the scar, that is exactly the kind of thing that should go into a shared decision.
Where each incision leaves its mark and what other consequences the choice has is in the page on the approach.
What you will notice, and when
The first few weeks. The commonest thing is not loss but hypersensitivity: the nipple can be uncomfortable to the touch, even painful against clothing. It is temporary.
It is also usual to notice numb areas, especially in the lower and outer part of the breast, and pins and needles or electric-shock sensations as the nerves start to recover.
Between 6 and 12 weeks. It is the period in which most of it comes back. In the monofilament study, by 12 weeks 92.5% had returned to their previous level in every area.
After 3 months. Whatever is left can go on improving over months, more slowly.
⚠️ A deficit persisting beyond a year is less likely to recover. It is not impossible, and it is the moment to have it assessed.
When to seek advice
- If the nipple is still completely numb after several months.
- If neuropathic pain appears — burning, persistent shooting pains — rather than ordinary discomfort.
- If there is a marked difference between the two sides that does not improve.
- If the hypersensitivity interferes with normal life beyond the first few weeks.
None of these is an emergency. They are reasons for assessment at an appointment.
What this means for breastfeeding
They are different things and it is worth not mixing them: sensation and the ability to breastfeed depend on different structures.
In the follow-up of 4,927 patients, the incidence of breastfeeding problems was similar to that in post-partum women without implants. The whole question — including the practice’s preference for the inframammary fold in patients who want children — is in the page on breast augmentation and motherhood.
Book an appointment
You can book your own appointment. Pick the day and time from the free slots in the diary, in a panel that opens right here, without leaving this page.
Frequently asked questions
Is it normal to have a numb nipple after a breast augmentation?
Yes, it is to be expected and it is almost always temporary. In a study of 162 patients measured with monofilaments, 92.5% had recovered their pre-operative sensation in every area by 12 weeks.
How long does sensation take to come back?
Most of it, between 6 and 12 weeks. Whatever is left can go on improving over months. A deficit persisting beyond a year is less likely to recover.
How likely is it not to come back?
In that same study, 4% of nipple-areola complexes had not recovered their previous level by 12 weeks. In a much larger series, of 4,927 patients, changes in nipple sensation recorded as an adverse event were 0.3% at 6 months and 0.4% at 10 years.
If I have a bigger implant will I lose more sensation?
Not according to the study that measured it. With volume increases of between 12% and 103% of the initial breast volume, there was no association between how much was added and the sensory deficit.
Which incision best preserves sensation?
It is not settled. Two studies with objective measurement suggest the inframammary fold route leaves more deficit in the lower pole of the breast, and the largest study — with almost 5,000 patients — finds no relevant differences. What does seem to change is where the deficit ends up rather than how much of it there is.
My nipple is hypersensitive, not numb.
That is also common, especially in the first few weeks, and it is also temporary. If it interferes with normal life beyond that period, it is worth mentioning at your appointment.
Does it affect breastfeeding?
They are different things. In the follow-up of 4,927 patients, the incidence of breastfeeding problems was similar to that in post-partum women without implants.
Sources
- Brown T. Objective Sensory Changes Following Subfascial Breast Augmentation. Aesthetic Surgery Journal, 2016. PMID 26883217. — 162 consecutive subfascial augmentation patients assessed with Semmes-Weinstein monofilaments before surgery and at 2, 6 and 12 weeks: 92.5% recovered pre-operative sensation levels in every area of the breast by 12 weeks, except in the lower outer quadrants (16.15%); 4% of nipple-areola complexes had not recovered their previous level by 12 weeks; younger patients or those with a high body mass index and a thicker measurable soft tissue envelope had more deficits; with calculated volume increases of between 12.1% and 102.7%, there was no association between the percentage increase in volume and the sensory deficits; the area with most deficit was the lower outer quadrant, related to the use of the inframammary fold incision.
- Lund HG, et al. Low Risk of Skin and Nipple Sensitivity and Lactation Issues After Primary Breast Augmentation with Form-Stable Silicone Implants: Follow-Up in 4927 Subjects. Aesthetic Surgery Journal, 2016. PMID 27118002. — 4,927 subjects assessed before surgery and at 4 weeks, 6 months and annually up to 10 years: in the inframammary cohort (9,217 devices, mean follow-up 4.1 years), the risk of a first occurrence of changes in nipple sensation was 0.3% at 4 weeks and at 6 months and 0.4% at 10 years, and of changes in skin sensation between 0.0% and 0.1%; no change in nipple or skin sensation in the periareolar cohort (610 devices); the incidence of breastfeeding problems was similar to that reported in post-partum women without breast implants.
- Okwueze MI, et al. Effect of augmentation mammaplasty on breast sensation. Plastic and Reconstructive Surgery, 2006. PMID 16404252. — 33 patients assessed with a pressure-specified sensory device before surgery, at 2-4 weeks and at 6 months: similar patterns of sensory change between the periareolar and inframammary routes, except in the lower region, where at 6 months the threshold was significantly worse with the inframammary fold incision (9.5 ± 2.9 g/mm²) than with the periareolar one (1.7 ± 0.6 g/mm²; p = 0.008); older patients had significantly higher thresholds (p < 0.02); the authors conclude that the periareolar incision may produce less sensory loss in the lower pole of the breast.
- Risks and Complications of Breast Implants. U.S. Food and Drug Administration, updated 14 December 2023. fda.gov. — Changes in nipple or breast sensation are among the local complications occurring in at least 1% of patients: “an increase or decrease in the feeling in the nipple or breast, which can vary in degree and may be temporary or permanent, and may affect sexual response or breastfeeding”.
Book your consultation
If sensation is one of your concerns — and for many patients it matters more than the scar — say so at the first consultation. Not because it will change the incision on its own, but because it changes what gets explained to you and how the decision is taken. At our practice in Valencia we set out what is known and what is not on this point before deciding the approach.
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