Definition of recurrent pregnancy loss classically is
Two or more consecutive pregnancy losses < 20 weeks' gestation or with a fetal weight <500 g Three or more consecutive pregnancy losses < 20 weeks' gestation or with a fetal weight <500 g Four or more consecutive pregnancy losses < 20 weeks' gestation or with a fetal weight <500 g Five or more consecutive pregnancy losses < 20 weeks' gestation or with a fetal weight <500 g