Objective: This study was performed as a semi-experimental study to determine the effects of training and monitoring at home on the knowledge level and practices of married women regarding breast and cervical cancer. Materials and Methods: The research sample consisted of 153 women. Data was collected by the Introductory Questionnaire and Breast Cancer and Cervical Cancer symptoms, prevention, early diagnosis information and application form. After the data was collected, women received training. After training, to monitor changes, phone calls were made along with home visits for 6 months. After the end of the visits, forms were re-administered. For statistical analysis, the Shapiro Wilk test, Friedman analysis, and Student Newman Keuls test were performed. Results: According to the findings, women increased their score from the information form after planned monitoring at home, and the difference between the first and last measurement points was statistically significant (p<0.001). Similarly, it was found that women increased their score from the information form about cervical cancer, and the difference between the first and last measurement points was statistically significant (p<0.001). Conclusion: At the end of the study, 84% of women were found to begin the application of breast self-examination (BSE). As a result, women s knowledge concerning breast and cervical cancer has changed in a positive manner with planned monitoring and training.