Leridon, H.

infertility couple fertility 1 year statement dictionary birth treatment chance sterility ®nition pregnancy grade report medicine prognostic children model subfertility conception child university month fecundity problem health policy clinician reproduction netherland period study country non-conception terminology effect example fertility investigation report english author habbema probability women delivery language journal ziebe family child bene fits disease 3 years prognostic statement european department â â â prognosis erasmus university rotterdam fi nancial incentives birth rates scienti ®c group proposal assumption te velde world health organization rand report issue prognostic categories investigation intercourse category terms infertility letter finition fecundability outcome failure editor system meaning confusion