Postoperative bariatric surgery patients reported a 24% higher New Sexual Satisfaction Scale score compared to preoperative patients, with significant improvements in sexual function observed in both men and women.
Key Findings
Results
Postoperative bariatric surgery patients reported significantly higher overall sexual satisfaction compared to preoperative patients.
Postoperative patients reported a 24% higher NSSS (New Sexual Satisfaction Scale) score compared to preoperative patients
The difference was statistically significant (p < 0.001)
The study used a case-matched design with 190 pairs analyzed based on gender
Participants were matched by age and preoperative BMI
The postoperative group was assessed at 1-year follow-up
Results
Male bariatric surgery patients showed significant improvements in erectile function and most other sexual function domains.
Male participants showed significant improvements in all IIEF (International Index of Erectile Function) domains except orgasmic function
The greatest improvement observed in male participants was in erectile function
The IIEF is a gender-specific validated tool used to assess male sexual function
Matching was performed by age and preoperative BMI to control for confounders
Results
Female bariatric surgery patients demonstrated a 20% higher FSFI score postoperatively, with notable improvements in arousal and desire but not pain.
Female participants demonstrated a 20% higher FSFI (Female Sexual Function Index) score postoperatively compared to preoperative patients
Notable improvements were found in the arousal and desire domains of the FSFI
The pain domain of the FSFI did not show significant improvement
The FSFI is a validated gender-specific tool used to measure female sexual function
Methods
The study employed a case-matched design comparing preoperative and postoperative bariatric surgery patients using multiple validated sexual health assessment tools.
The study included patients awaiting MBS (preoperative group) and those at 1-year follow-up (postoperative group)
After matching, 190 pairs were analyzed based on gender
Sexual satisfaction was measured using the New Sexual Satisfaction Scale (NSSS), along with gender-specific tools: the FSFI for women and the IIEF for men
Statistical analysis was performed using t-tests, Mann-Whitney tests, and χ2 tests
Participants were matched by age and preoperative BMI
Background
Severe obesity is associated with lower sexual health through multiple mechanisms prior to surgical intervention.
Obesity can negatively affect sexual health through hormonal imbalances, lowered self-esteem, and physical limitations
Severe obesity is associated with lower health-related quality of life, including sexual health
The impact of metabolic and bariatric surgery on sexual satisfaction was described as 'less documented' despite well-known benefits for weight loss and comorbidity resolution
Conclusions
The authors recommend future research focus on long-term sustainability of sexual well-being improvements and the role of psychological support after bariatric surgery.
Future studies should focus on 'the long-term sustainability of these effects'
The role of psychological support in enhancing sexual well-being post-surgery was identified as an area for future investigation
The current study was limited to a 1-year postoperative follow-up period
What This Means
This research suggests that people who have undergone bariatric (weight loss) surgery report substantially better sexual satisfaction and function compared to similar patients who have not yet had the surgery. Using several validated questionnaires, the study found that one year after surgery, patients overall scored 24% higher on a general sexual satisfaction scale. Both men and women benefited, though in somewhat different ways: men saw improvements across nearly all aspects of erectile and sexual function, while women reported better sexual desire and arousal, though not a reduction in pain during sex.
The study used a careful matching method, pairing 190 postoperative patients with 190 preoperative patients of similar age and starting body weight, which helps make the comparison more meaningful. This design suggests the improvements are likely related to the surgery itself rather than other differences between the groups. The benefits may stem from weight loss leading to better hormonal balance, improved physical ability, and greater self-esteem — all of which can influence sexual health.
This research matters because sexual well-being is an important but often overlooked part of overall quality of life, and patients considering bariatric surgery are not always counseled about potential changes in this area. The findings suggest that sexual health improvements may be a meaningful benefit of the surgery for both men and women. However, since the study only looked at patients one year after surgery, future research is needed to determine whether these improvements last over time and whether psychological support could further enhance sexual outcomes after surgery.
Małczak P, Wysocki M, Dowgiałło-Gornowicz N, Kawa I, Siuda K, Jasińska J, et al.. (2025). Sexual Well-Being After Bariatric Surgery Assessed with New Sexual Satisfaction Scale: A Case-Matched Study of Men and Women.. Obesity surgery. https://doi.org/10.1007/s11695-025-08003-3