Back ground: Fetal growth is the primary method of assessment of fetal well-being and is an important determinant of health in later life. The assessment of fetal well-being is a critical tool in ensuring optimal neonatal outcomes from both pregnancy and labor. Objectives: To assess the level of knowledge regarding fetal wellbeing among antenatal mothers. Materials and Methods: The descriptive research design was used to conduct research study. The 30 antenatal mothers were selected by using non probability convenience sampling technique in selected rural areas at Nellore. Results: The result reveals that, with regard to level of knowledge regarding fetal wellbeing among Antenatal Mothers, 5 (17%) had good knowledge, 7 (23%) had average knowledge and 18 (60%) had poor knowledge.