Patimah, M.; Nurhikmah, T. S. .; Novayanti, N. .; N, R. .; Fitria, A. .; Sholihat, I. .; Gunawan, P. I. .; Jaoza, S. A. Increasing Knowledge of Pregnant Mothers About Iud Contraception Methods On The Use Of Kopiku Application. Journal of Community Service 2022, 1, 15-20.