Revista brasileira de ginecologia e obstetricia : revista da Federacao Brasileira das Sociedades de Ginecologia e Obstetricia · 2026
Genital hiatus area and pelvic floor dysfunction symptoms in transgender women after gender-affirming surgery.
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Hazin Marina, Lemos Andrea, Andrade Rogerson, Gantzel Letícia, Barbosa Leila, Ferreira Caroline Wanderley Souto
Аннотация
OBJECTIVE: To describe genital hiatus area, pelvic floor muscle (PFM) function, pelvic floor dysfunction symptoms and sexual function characteristics of transgender women submitted to gender-affirming surgery.
METHODS: Six participants were included in this case series conducted in a referral hospital which treats transgender individuals in Brazil. An individual assessment was performed with sociodemographic variables, clinical symptoms, PFM function, neovaginal depth and genital distances. Two and three-dimensional translabial ultrasound were used to measure hiatal dimensions. The results were shown with absolute and relative frequencies, mean and standard deviation.
RESULTS: The genital hiatus area had an average of 11.09 (SD 3.49) cm² at rest and 14.36 (SD 3.00) cm² during the Valsalva maneuver. The mean distances of clitoris-vagina, genital hiatus and perineal body were 9.30 (SD 1.57) cm, 6.60 (SD 1.43) cm and 4.00 (SD 1.90) cm, respectively. The mean vaginal depth was 9.50 (SD 3.51) cm. Most volunteers had satisfactory PFM strength and tone. Transgender women reported an increase in daytime urinary frequency (100%), nocturia (83.3%), sensation of incomplete evacuation (66.7%), straining during defecation (50%), flatal incontinence (16.6%), dyspareunia (50%) and anodyspareunia (16.6%). There were no reports of urinary or fecal incontinence, vaginal bulging, perineal pain or dysuria.
CONCLUSION: This is the first study reporting genital hiatus area by translabial ultrasound in transgender women. Adequate levator hiatal area and neovaginal depth were found, preserved PFM tone and strength, preserved urinary and fecal continence, increased daytime urinary frequency, nocturia, sensation of incomplete evacuation, dyspareunia during vaginal sex and moderate vaginal sexual satisfaction.
METHODS: Six participants were included in this case series conducted in a referral hospital which treats transgender individuals in Brazil. An individual assessment was performed with sociodemographic variables, clinical symptoms, PFM function, neovaginal depth and genital distances. Two and three-dimensional translabial ultrasound were used to measure hiatal dimensions. The results were shown with absolute and relative frequencies, mean and standard deviation.
RESULTS: The genital hiatus area had an average of 11.09 (SD 3.49) cm² at rest and 14.36 (SD 3.00) cm² during the Valsalva maneuver. The mean distances of clitoris-vagina, genital hiatus and perineal body were 9.30 (SD 1.57) cm, 6.60 (SD 1.43) cm and 4.00 (SD 1.90) cm, respectively. The mean vaginal depth was 9.50 (SD 3.51) cm. Most volunteers had satisfactory PFM strength and tone. Transgender women reported an increase in daytime urinary frequency (100%), nocturia (83.3%), sensation of incomplete evacuation (66.7%), straining during defecation (50%), flatal incontinence (16.6%), dyspareunia (50%) and anodyspareunia (16.6%). There were no reports of urinary or fecal incontinence, vaginal bulging, perineal pain or dysuria.
CONCLUSION: This is the first study reporting genital hiatus area by translabial ultrasound in transgender women. Adequate levator hiatal area and neovaginal depth were found, preserved PFM tone and strength, preserved urinary and fecal continence, increased daytime urinary frequency, nocturia, sensation of incomplete evacuation, dyspareunia during vaginal sex and moderate vaginal sexual satisfaction.