John, N. N., and A. George. “Knowledge, Attitude and Practices for Antenatal Care, Danger Signs of Pregnancy and Family Planning Among Pregnant Women in a Rural Area of Kerala, India”. International Journal Of Community Medicine And Public Health, vol. 8, no. 1, Dec. 2020, pp. 201-6, doi:10.18203/2394-6040.ijcmph20205693.