Incidence and predictors of luteal phase deficiency by different definitions 21 November 201219 April 2019 Joseph B Stanford, MD; Karen C Schliep, PhD; Ahmad O Hammoud, MD; Enrique Schisterman, PhD; Sunni Mumford, PhD; Christy Porucznik, PhD Members Only. Renew or reigster for membership here. Username Password Remember Me Forgot Password