Perineal structural changes on 3-dimensional endovaginal ultrasound 6 months after difficult vaginal birth: the Hourglass-Band pattern and how it relates to levator ani avulsion and hiatus size
作者
Fernanda Pipitone,Jorge Milhem Haddad,Luyun Chen,Mariana Masteling,Payton Schmidt,Pamela S. Fairchild,James A. Ashton‐Miller,John O. L. DeLancey