The age of 11 or 12 years to 20 years where sexual maturity occurs and there is a transition from childhood to adulthood is the definition of adolescence, approaching young adulthood. Breast cancer is increasing in developed countries. Breast self-examination (BSE) is used to prevent breast cancer. The purpose of this study was to analyze the effect of reproductive health education on breast self-examination (BSE) on the knowledge of adolescent girls. Design This study used a quast experiment with one group Pre-post Test Design. The results of data analysis from the Effect of Pend mean (average) that the pretest value is smaller than the posttest after a health conscious education is carried out in adolescent girls. The correlation results are said to be very strong if the two samples are paired by 0.381. There is a difference in the knowledge of breast care before and after being given health education to adolescents by analysis using a paired t test which shows a P value of 0.000 with a significant level of 5% (P value < 0.05)

Education on reproductive health is very important to be given to prospective brides, especially couples who are about to get married. The lack of knowledge of prospective brides about reproductive health and premarital check-ups leads to low participation in premarital check-ups. KUA Kaliwates is a KUA that does not run guidance programs and courses for prospective brides due to limited DIPA funds from the Ministry of Religious Affairs of Jember Regency. The purpose of this study was to determine the effect of reproductive health education of prospective brides on knowledge and behavior of participation in premarital check-ups. The research conducted was a quasi-experimental with a one group pretest-posttest. Accidental sampling is all prospective brides in the Kaliwates KUA working area in June-July 2022 totaling 49 prospective brides. McNemar test shows the value (p value = 0.008) α < 0.05 means that there is an effectiveness of reproductive health education of prospective brides on knowledge and the value (p value = 0.016) α < 0.05 means that there is an effectiveness of reproductive health education of prospective brides on the participation of premarital check up.