Trends in the delivery route of twin pregnancies in the United States, 2006–2013

Zhoobin H. Bateni, Steven L. Clark, Haleh Sangi-Haghpeykar, Kjersti M. Aagaard, Yair J. Blumenfeld, Susan M. Ramin, Henry C. Lee, Karin A. Fox, Amirhossein Moaddab, Amir A. Shamshirsaz, Bahram Salmanian, Pardis Hosseinzadeh, Diana A. Racusin, Hadi Erfani, Jimmy Espinoza, Gary A. Dildy, Michael A. Belfort, Alireza A. Shamshirsaz