HAPPY PREGNANCY STUDY

Twin Birth Study


1.  Barrett JF, Hannah ME, Hutton EK, Willan AR, Allen AC, Armson BA, Gafni A, Joseph KS, Mason D, Ohlsson A, Ross S, Sanchez JJ, Asztalos EV; the Twin Birth Study Collaborative Group. A Randomized Trial of Planned Cesarean or Vaginal Delivery for Twin Pregnancy. N Engl J Med. 2013 Oct 3;369(14):1295-1305.  
 
Additional information 
http://www.nejm.org/doi/suppl/10.1056/NEJMoa1214939/suppl_file/nejmoa1214939_appendix.pdf