[1] Lawson S, Sacks A. Pelvic floor physical therapy and women's health promotion[J]. Journal of Midwifery & Women's Health, 2018, 63(4):410-417. [2] Pipitone F, Miller J, DeLancey J. Injury-associated levator ani muscle and anal sphincter ooedema following vaginal birth:A secondary analysis of the EMRLD study[J]. BJOG:an International Journal of Obstetrics & Gynaecology, 2021, 128(12):2046-2053. [3] Kimmich N, Birri J, Zimmermann R, et al. Prediction of levator ani muscle avulsion by genital tears after vaginal birth-a prospective observational cohort study[J]. International Urogynecology Journal, 2020, 31(11):2361-2366. [4] Martínez Franco E, López Negre J L, Parés D, et al. Anatomic and functional evaluation of the levator ani muscle after an obstetric anal sphincter injury[J]. Archives of Gynecology and Obstetrics, 2019, 299(4):1001-1006. [5] Luo Y J, Zhou M Z, Ying T, et al. Translabial ultrasound combined with magnetic resonance imaging assessing the distensibility of levator ani muscle with unilateral high-grade tears[J]. Female Pelvic Medicine & Reconstructive Surgery, 2019, 26(6):391-395. [6] Soave I, Scarani S, Mallozzi M, et al. Pelvic floor muscle training for prevention and treatment of urinary incontinence during pregnancy and after childbirth and its effect on urinary system and supportive structures assessed by objective measurement techniques[J]. Archives of Gynecology and Obstetrics, 2019, 299(3):609-623. [7] Gong R Q, Xia Z J. Collagen changes in pelvic support tissues in women with pelvic organ prolapse[J]. European Journal of Obstetrics, Gynecology, and Reproductive Biology, 2019, 234(6):185-189. [8] Alshiek J, Shobeiri S A. The practical value of levator ani muscle injury repair[J]. Techniques in Coloproctology, 2019, 23(2):83-85. [9] García-Mejido J A, Sainz J A. Type of levator ani muscle avulsion as predictor for the disappearance of avulsion[J]. Neurourology and Urodynamics, 2020, 39(8):2293-2300. [10] Volløyhaug I, Taithongchai A, Van Gruting I, et al. Levator ani muscle morphology and function in women with obstetric anal sphincter injury[J]. Ultrasound in Obstetrics & Gynecology, 2019, 53(3):410-416. [11] Vellucci F, Regini C, Barbanti C, et al. Pelvic floor evaluation with transperineal ultrasound:A new approach[J]. Minerva Ginecologica, 2018, 70(1):58-68. [12] Blomquist J L, Carroll M, Muñoz A, et al. Pelvic floor muscle strength and the incidence of pelvic floor disorders after vaginal and cesarean delivery[J]. American Journal of Obstetrics and Gynecology, 2020, 222(1):62.e1-62.e8. [13] García-Mejido J A, Fernández-Palacín A, Bonomi-Barby M J, et al. Online learning for 3D/4D transperineal ultrasound of the pelvic floor[J]. The Journal of Maternal-fetal & Neonatal Medicine, 2020, 33(16):2805-2811. [14] Schwarzman P, Paz Levy D, Walfisch A, et al. Pelvic floor disorders following different delivery modes-a population-based cohort analysis[J]. International Urogynecology Journal, 2020, 31(3):505-511. [15] Zhao Y, Zou L, Xiao M, et al. Effect of different delivery modes on the short-term strength of the pelvic floor muscle in Chinese primipara[J]. BMC Pregnancy and Childbirth, 2018, 18(1):275-280. [16] Routzong M R, Rostaminia G, Moalli P A, et al. Pelvic floor shape variations during pregnancy and after vaginal delivery[J]. Computer Methods and Programs in Biomedicine, 2020, 194(7):105516-105522. [17] Driusso P, Beleza A C S, Mira D M, et al. Are there differences in short-term pelvic floor muscle function after cesarean section or vaginal delivery in primiparous women? A systematic review with meta-analysis[J]. International Urogynecology Journal, 2020, 31(8):1497-1506. [18] Lipschuetz M, Cohen SM, Lewkowicz A A, et al. Prolonged second stage of labor:Causes and outcomes[J]. Harefuah, 2018, 157(11):685-690. |