Background: The primary golden aim of fetal monitoring is reducing the incidence of fetal death, perinatal morbidity and maternal distress, improving maternity nurse performance regarding fetal wellbeing is extremely important. The aim of the present study was to evaluate effect of educational intervention on maternity nurses’ performance regarding non-invasive fetal wellbeing measures . Design: Aquasi-experimental design was utilized to fulfil the aim of the study. Sample: A convenient sample of a total 64 maternity nurses were included in the present study. Setting: The present study was conducted at fetal wellbeing assessment unit at obstetrics & gynaecological department affiliated in Benha university hospital. Data were collected through an interviewing questionnaire sheet, knowledge assessment sheet, and fetal wellbeing procedures practice checklist. Results of the study indicated that mean score of knowledge and practice of the studied maternity nurses were highly improved at post intervention phase as compared with pre intervention phase, knowledge mean score improved from (23.92) to(62.04) and practice mean score improved from(32.15) to (83.00).A highly positive association was illustrated between studied nurses educational qualification and their knowledge and practice mean score (p