Sagging breasts
Breast sagging, or ptosis, describes descent of breast tissue and the nipple relative to the breast fold. It varies in degree and can be asymmetric. It is usually a normal structural change rather than disease, and breast volume may be low, unchanged or large.
What you may notice
- Lower nipple position
- More breast tissue below the fold
- Reduced upper-breast fullness
- Downward-facing nipples in more marked cases
- Different degree on each side
Why it can happen
Ageing, pregnancy, breastfeeding-related volume change, weight fluctuation, gravity, skin elasticity, breast size and genetics all influence ptosis. Pregnancy changes can occur whether or not a person breastfeeds. Exercise can strengthen chest muscles but cannot tighten stretched breast skin.
What may help
A supportive bra may improve comfort and appearance in clothing. A breast lift reshapes tissue and repositions the nipple; augmentation may add volume, while reduction may suit large heavy breasts. Each approach creates scars, and future pregnancy or weight change can alter results. Assessment should separate skin excess, volume loss and breast size rather than assuming implants alone will lift the breast.
When to consult
Consult a clinician for a new one-sided change, lump, nipple inversion, discharge, skin dimpling or persistent pain. Cosmetic consultation should cover scars, sensation, breastfeeding and realistic longevity.
Evidence and sources
- American Society of Plastic Surgeons. Breast lift [Internet]. Arlington Heights (IL): American Society of Plastic Surgeons; [cited 2026 Nov 7]. Available from: https://www.plasticsurgery.org/cosmetic-procedures/breast-lift (new tab)
- See MH, Yip KC, Teh MS, et al. Classification and assessment techniques of breast ptosis: a systematic review. J Plast Reconstr Aesthet Surg. 2023;83:380-395. doi: 10.1016/j.bjps.2023.04.003. (new tab)
- American Society of Plastic Surgeons. Breast augmentation [Internet]. Arlington Heights (IL): American Society of Plastic Surgeons; [cited 2026 Nov 7]. Available from: https://www.plasticsurgery.org/cosmetic-procedures/breast-augmentation (new tab)