Group Publications
Recent Publications
Hsu Y, Huebner M, Chen L, Fenner DE, DeLancey JO. Comparison of the main body of the external anal sphincter muscle cross-sectional area between women with and without prolapse. Int Urogynecol J Pelvic Floor Dysfunct 2007. PMID: 17370027
Miller JM, Ashton-Miller JA, Perruchini D, DeLancey JO. Test-retest reliability of an instrumented speculum for measuring vaginal closure force. Neurourol Urodyn 2007. PMID: 17357114
Margulies RU, Huebner M, DeLancey JO. Origin and insertion points involved in levator ani muscle defects. Am J Obstet Gynecol 2007;196:251.e1-251.e5. PMID: 17346542
Trowbridge ER, Wei JT, Fenner DE, Ashton-Miller JA, DeLancey JO. Effects of aging on lower urinary tract and pelvic floor function in nulliparous women. Obstet Gynecol 2007;109:715-20. PMID: 17329525
DeLancey JO, Morgan DM, Fenner DE, Kearney R, Guire K, Miller JM, Hussain H, Umek W, Hsu Y, Ashton-Miller JA. Comparison of levator ani muscle defects and function in women with and without pelvic organ prolapse. Obstet Gynecol 2007;109:295-302. PMID: 17267827
Morgan DM, Dunn RL, Fenner DE, Faerber G, DeLancey JO, McGuire EJ, Wei JT. Comparative analysis of urinary incontinence severity after autologous fascia pubovaginal sling, pubovaginal sling and tension-free vaginal tape. J Urol 2007;177:604-08. PMID: 17222642
Thomason AD, Miller JM, DeLancey JO. Urinary incontinence symptoms during and after pregnancy in continent and incontinent primiparas. Int Urogynecol J Pelvic Floor Dysfunct 2007;18:147-51. PMID: 16625310
Trowbridge ER, Morgan D, Trowbridge MJ, DeLancey JO, Fenner DE. Sexual function, quality of life, and severity of anal incontinence after anal sphincteroplasty. Am J Obstet Gynecol 2006;195:1753-57. PMID: 17132478
Morgan DM, Umek W, Stein T, Hsu Y, Guire K, DeLancey JO. Interrater reliability of assessing levator ani muscle defects with magnetic resonance images. Int Urogynecol J Pelvic Floor Dysfunct 2006. PMID: 17043740
Hsu Y, Chen L, Huebner M, Ashton-Miller JA, DeLancey JO. Quantification of levator ani cross-sectional area differences between women with and those without prolapse. Obstet Gynecol 2006;108:324-332. PMID: 17012449
Armstrong SM, Miller JM, Benson K, Jain S, Panagopoulos K, DeLancey JO, Sampselle CM. Revisiting reliability of quantified perineal ultrasound: Bland and Altman analysis of a new protocol for the rectangular coordinate method. Neurourol Urodyn 2006;25:731-738. PMID: 16897749
Chen L, Ashton-Miller JA, Hsu Y, DeLancey JO. Interaction among apical support, levator ani impairment, and anterior vaginal wall prolapse. Obstet Gynecol 2006;108:324-332. PMID: 168803
Margulies RU, Hsu Y, Kearney R, Stein T, Umek WH, DeLancey JO. Appearance of the levator ani muscle subdivisions in magnetic resonance images. Obstet Gyencol 2006;107:1064-69. PMID: 16648412
Hsu Y, Summers A, Hussain HK, Guire KE, DeLancey JO. Levator plate angle in women with pelvic organ prolapse compared to women with normal support using dynamic MR imaging. Am J Obstet Gynecol 2006;194L1427-33. PMID: 16579940
Patel DA, Xu X, Thomason AD, Ransom SB, Ivy JS, DeLancey JO. Childbirth and pelvic floor dysfunction: an epidemiologic approach to the assessment of prevention opportunities at delivery. Am J Obstet Gynecol 2006;195:23-28. PMID: 16579934
Summers A, Winkel LA, Hussain HK, DeLancey JO. The relationship between anterior and apical compartment support. Am J Obstet Gynecol 2006;194:1438-43. PMID: 16579933
Chen L, Hsu Y, Ashton-Miller JA, DeLancey JO. Measurement of the pubic portion of the levator ani muscle in women with unilateral defects in 3-D models from MR images. Int J Gynaecol Obstet 2006;92:234-41. PMID: 16442111
Kearney R, Miller JM, Asthon-Miller JA, DeLancey JO. Obstetric factors
associated with levator ani muscle injury after vaginal birth. Obstet
Gynecol 2006;107:144-49. PMID: 16394052
Kearney R, Miller, JM, DeLancey JO. Interrater reliability and physical
examination of the pubovisceral portion of the levator ani muscle, validity
comparisons using MR imaging. Neurourol Urodyn 2006;25:50-54. PMID:
16304674
Hsu Y, Fenner DE, Weadock WJ, DeLancey JO. Magnetic resonance imaging and 3-dimensional analysis of external anal sphincter anatomy. Obstet Gynecol 2005;106:1259-65. PMID: 16319250
Morgan DM, Kaur G, Hsu Y, Fenner DE, Guire K, Miller J, Ashton-Miller JA, DeLancey JO. Does vaginal closure force differ in the supine and standing positions? Am J Obstet Gynecol 2005;192:1722-28. PMID: 15902185
Lien KC, Morgan DM, DeLancey JO, Ashton-Miller JA. Pudendal nerve stretch during vaginal birth: a 3D computer simulation. Am J Obstet Gynecol 2005;192:1669-76. PMID: 15902175
DeLancey JO. The hidden epidemic of pelvic floor dysfunction: achievable goals for improved prevention and treatment. Am J Obstet Gynecol 2005;192:1488-95. PMID: 15902147
O’Connell HE, DeLancey JO. Clitoral anatomy in nulliparous, healthy, premenopausal volunteers using unenhanced magnetic resonance imaging. J Urol 2005;173:2060-63. PMID: 15879834
Hsu Y, Chen L, DeLancey JO, Ashton-Miller JA. Vaginal thickness, cross-sectional area, and perimeter in women with and those without prolapse. Obstet Gynecol 2005;105:1012-17. PMID: 15863538
Key Publications
Lien KC, Mooney B, DeLancey JO, Ashton-Miller JA. Levator ani muscle stretch induced by simulated vaginal birth. Obstet Gyencol 2004;103:31-40. PMID: 14704241
Fenner DE, Genberg B, Brahma P, Marek L, DeLancey JO. Fecal and urinary incontinence after vaginal delivery with anal sphincter disruption in an obstetrics unit in the United States. Am J Obstet Gynecol 2003; 189:1543-49. PMID: 14710059
DeLancey JO, Kearney R, Chou Q, Speights S, Binno S. The appearance of levator ani muscle abnormalities in magnetic resonance images after vaginal delivery. Obstet Gynecol 2003;101:46-53. PMID: 12517644
DeLancey JOL. Fascial and muscular abnormalities in women with
urethral hypermobility and anterior vaginal wall prolapse. Amer
J Obstet Gynecol 2002;187:93-8. PMID: 12114894
Perucchini D, DeLancey JOL, Ashton-Miller JA, Galecki A, Schaer GN. Age Effects on Urethral Striated Muscle: II. Anatomic location of muscle loss. Am J Obstet Gynecol 2002;186:356-60. PMID: 11904591
Perucchini D, DeLancey JOL, Ashton-Miller JA, Pechers U, Kataria T. Age Effects on Urethral Striated Muscle: I. Changes in number and diameter of striated muscle fibers in the ventral urethra. Am J Obstet Gynecol 2002;186351-5. PMID: 11904590
Tunn R, DeLancey JO, Quint EE. Visibility of pelvic organ support system structures in magnetic resonance images without an endovaginal coil. Am J Obstet Gynecol 184:1156-63, 2001. PMID: 11349182
Miller JM, Perucchini D, Carchidi LT, DeLancey JOL, Ashton-Miller J. Pelvic floor muscle contraction during a cough and decreased vesical neck mobility. Obstet Gynecol. 97:255-60, 2001. PMID: 11165591
Howard D, Miller JM, DeLancey JOL, Ashton-Miller JA. Differential effects of cough, valsalva, and continence status on vesical neck movement. Obstet Gynecol 95:535-40, 2000. PMID: 10725485
Howard D, DeLancey JOL, Tunn R, Ashton-Miller JA. Racial differences in the structure and function of the stress urinary continence mechanism. Obstet Gynecol 95:713-7, 2000.
Pandit M, DeLancey JOL, Ashton-Miller JA, Iyengar J, Blaivas M, Perucchini D. Quantification of intramuscular nerves within the female striated urogenital sphincter muscle. Obstet Gynecol 95:797-800, 2000. PMID: 10831969
DeLancey JOL.. Structural anatomy of the posterior pelvic compartment as it relates to rectocele. Am J Obstet Gynecol 180:815-23, 1999. PMID: 10203649
Miller JM, Ashton-Miller JA, Carchidi LT, DeLancey JOL. On the lack of correlation between self-report and urine loss measured with standing provocation test in older stress-incontinent women. J Womens Health 8:157-62, 1999. PMID: 10100129
DeLancey JOL. Hurd WW. Size of the urogenital hiatus in the levator ani muscles in normal women and women with pelvic organ prolapse. Obstet Gynecol 91:364-8, 1998. PMID: 9491861
Sampselle CM. Miller JM. Mims BL. DeLancey JOL. Ashton-Miller JA. Antonakos CL. Effect of pelvic muscle exercise on transient incontinence during pregnancy and after birth. Obstet Gynecol 91:406-12, 1998. PMID: 9491869
Miller JM, Ashton-Miller JA, DeLancey JOL. Quantification of Cough-Related Urine Loss Using the Paper Towel Test. Obstet Gynecol 91:705-9, 1998. PMID: 9572215
Kyu-Jung K, Ashton-Miller JA, Strohbehn K, DeLancey JOL, Schultz AB. The vesico-urethral pressuregram for analysis of urinary continence mechanisms. J Biomechanics 30:19-25, 1997.
DeLancey JOL.. Structural support of the urethra as it relates to stress urinary incontinence: The hammock hypothesis. Am J Obstet Gynecol 170:1713-20, 1994. PMID: 8203431
DeLancey JOL. Anatomic aspects of vaginal eversion after hysterectomy. Am J Obstet Gynecol 166:1717-28, 1992. PMID: 1615980
DeLancey JOL. Correlative study of paraurethral anatomy. Obstet Gynecol 68:91-7, 1986. PMID: 3725263

