Definitions of infertility and recurrent pregnancy loss: a committee opinion

This document contains the definitions of infertility and recurrent pregnancy loss as defined by the Practice Committee of the American Society for Reproductive Medicine. It replaces the document titled, Definitions of Infertility and Recurrent Pregnancy Loss,'' last published in 2008, Fertil Steril 2008;90(Suppl 3):S60. ( Fertil Steril (R) 2013;99:63. (C) 2013 by American Society for Reproductive Medicine.)