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Gender-Affirming Surgery — Overview

Gender-affirming surgery (GAS) encompasses procedures that align an individual's physical anatomy with their gender identity, broadly grouped into breast / chest surgery, genital reconstruction, and facial / body procedures.123 Major medical organizations including WPATH, the Endocrine Society, AMA, and ACOG support these surgeries as medically necessary interventions for appropriately selected patients.142

Detailed pages: Feminizing procedures, Masculinizing procedures, Revision & Salvage GAS, and Non-Binary & Nullification. For the cisgender congenital counterpart to feminizing reconstruction, see Müllerian Anomalies & Vaginal Agenesis.

Categories of Procedures​

Masculinizing (Transmasculine)23​

  • Top surgery — subcutaneous mastectomy with chest reconstruction; a commonly requested transmasculine procedure; individual goals vary.
  • Genital surgery — metoidioplasty (release of the hormonally enlarged clitoris to create a microphallus) or phalloplasty (creation of a neophallus using a tissue flap, often radial forearm); hysterectomy / oophorectomy; vaginectomy; scrotoplasty.
  • Other — voice surgery, liposuction, pectoral implants.

Feminizing (Transfeminine)23​

  • Breast augmentation — typically subglandular or subpectoral implants.
  • Genital surgery — vaginoplasty (penile inversion creating a vaginal vault, clitoris, and labia), orchiectomy, vulvoplasty.
  • Facial feminization surgery (FFS) — brow lift, rhinoplasty, mandible contouring, tracheal shave; often prioritized because it shapes public-facing appearance and personal safety.
  • Other — voice surgery, body contouring, hair reconstruction.

Eligibility Criteria​

For adults, WPATH SOC8 emphasizes sustained gender incongruence, capacity for procedure-specific informed consent, assessment of relevant medical and mental health conditions, and discussion of fertility implications and preservation options. A single opinion from a professional competent in assessment is ordinarily sufficient; if a letter is required, SOC8 does not routinely require two independent letters.5

Hormone timing is individualized. For gonadectomy, SOC8 suggests considering at least six months of hormone therapy when appropriate to the person's goals. For genital reconstruction, a stable treatment regimen may include six months or longer when needed for the intended result; hormones are not obligatory when unwanted or contraindicated. These adult criteria differ from older guidance: the 2017 Endocrine Society guideline advised one year of hormones before genital surgery, also with exceptions. Clinical criteria, insurer documentation, and local legal requirements are separate considerations.45

Preoperative planning should document which organs and sexual functions the patient wants to retain, fertility goals, hair removal from skin intended for a neourethra or neovaginal lining, and practical access to postoperative care.5

Outcomes and Safety​

GAS is generally safe with high satisfaction rates:

  • Short-term complications — ~6% within 30 days in the included GAS procedures; 3.5% for top surgery, 8% for bottom surgery, and 2.1% for head / neck procedures in an NSQIP analysis of 4,114 patients.6
  • Vaginoplasty — Clavien-Dindo ≥ 3 complications in 5.5% of 488 cases, no 30-day mortality. Wound-related issues were the most common; higher BMI and ASA class were associated with increased complication risk.7
  • Phalloplasty — complex reconstruction with substantial urethral and donor-site morbidity that should be discussed alongside individual functional goals.3
  • Satisfaction and long-term outcomes — in a 2025 report using 2019–2021 survey data from 2,176 patients, 776 of 946 surgical recipients (82%) reported high satisfaction. The often-cited 40-year follow-up found favorable outcomes among only 15 of 97 identified patients who participated; substantial attrition limits generalization of its mental-health and regret findings.18
  • Mortality — the 488-case vaginoplasty cohort reported no deaths within 30 days. This does not establish zero mortality risk or capture long-term complications. Acute-care assessment should use the actual operative anatomy and hormone history.79

In the same 2,176-person survey, 94.4% reported at least one barrier to accessing GAS, most often cost. This describes that recruited cohort and is not a population-wide access estimate.1

Postoperative Considerations​

Patients with a constructed vaginal canal usually need a long-term dilation regimen, tailored by the operating team. Penile-inversion canals are principally skin-lined and require external lubricant; peritoneal and intestinal techniques have different lining and secretion characteristics. Vulvoplasty without a canal does not require canal dilation. Patients with persistent pain during dilation may benefit from pelvic floor physical therapy.2 Long-term follow-up should monitor cardiovascular risk and mental health, both of which remain elevated compared with the general population even after surgery.10

Footnotes​

  1. Pletta DR, Quint M, Radix AE, et al. "Gender-Affirming Surgical History, Satisfaction, and Unmet Needs Among Transgender Adults." JAMA Netw Open. 2025;8(9):e2532494. doi:10.1001/jamanetworkopen.2025.32494 ↩ ↩2 ↩3 ↩4

  2. Cronin B, Stockdale CK. "Health Care for Transgender and Gender Diverse Individuals." American College of Obstetricians and Gynecologists, 2021. ↩ ↩2 ↩3 ↩4 ↩5

  3. Safer JD, Tangpricha V. "Care of Transgender Persons." N Engl J Med. 2019;381(25):2451–2460. doi:10.1056/NEJMcp1903650 ↩ ↩2 ↩3 ↩4

  4. Hembree WC, Cohen-Kettenis PT, Gooren L, et al. "Endocrine Treatment of Gender-Dysphoric / Gender-Incongruent Persons: An Endocrine Society Clinical Practice Guideline." J Clin Endocrinol Metab. 2017;102(11):3869–3903. doi:10.1210/jc.2017-01658 ↩ ↩2

  5. Coleman E, Radix AE, Bouman WP, et al. "Standards of Care for the Health of Transgender and Gender Diverse People, Version 8." Int J Transgend Health. 2022;23(Suppl 1):S1–S259. doi:10.1080/26895269.2022.2100644 ↩ ↩2 ↩3

  6. Scott KB, Thuman J, Jain A, Gregoski M, Herrera F. "Gender-Affirming Surgeries: A National Surgical Quality Improvement Project Database Analyzing Demographics, Trends, and Outcomes." Ann Plast Surg. 2022;88(5 Suppl 5):S501–S507. doi:10.1097/SAP.0000000000003157 ↩

  7. Mishra K, Ferrando CA. "Postoperative Adverse Events Following Gender-Affirming Vaginoplasty: An American College of Surgeons National Surgical Quality Improvement Program Study." Am J Obstet Gynecol. 2023;228(5):564.e1–564.e8. doi:10.1016/j.ajog.2023.01.011 ↩ ↩2

  8. Park RH, Liu YT, Samuel A, et al. "Long-Term Outcomes After Gender-Affirming Surgery: 40-Year Follow-Up Study." Ann Plast Surg. 2022;89(4):431–436. doi:10.1097/SAP.0000000000003233 ↩

  9. Rosendale N, Goldman S, Ortiz GM, Haber LA. "Acute Clinical Care for Transgender Patients: A Review." JAMA Intern Med. 2018;178(11):1535–1543. doi:10.1001/jamainternmed.2018.4179 ↩

  10. Wylie K, Knudson G, Khan SI, et al. "Serving Transgender People: Clinical Care Considerations and Service Delivery Models in Transgender Health." Lancet. 2016;388(10042):401–411. doi:10.1016/S0140-6736(16)00682-6 ↩