The lack of reproductive health knowledge about personal hygiene during menstruation among young women, obtained from parents and schools, causes the knowledge and behavior of young women about personal hygiene during menstruation to be very lacking. One effort to increase knowledge of adolescent reproductive health is by providing health education using poster media. The aim is to determine the effect of poster media education on female students' knowledge of personal hygiene during menstruation at the Assalam Islamic boarding school, in Manado City. The method used in this research was pre-experimental with a one-group pretest-posttest design approach. The sample taken was 18 subjects using purposive sampling. Data collection uses questionnaire sheets and SAP (Extension Event Unit). The collected data was processed using test. Statistical tests use the McNemar Test with a significance level of ? 0.05. The research results obtained a value of p = 0.000 (? ? 0.05) so that Ha was accepted, meaning that there was an influence of poster media education on female  students' knowledge of personal hygiene during menstruation at the Assalam Islamic Boarding School, Manado City. The conclusion based on the research results is that there is an influence of poster media education on female students' knowledge of personal hygiene during menstruation at the Assalam Islamic Boarding School, Manado City. Suggestions for future researchers can use other media as comparison material so that they can add more information

Menstruation is the decay of the uterine wall consisting of blood and body tissues. These events take place every month and are a normal process for ordinary women. Menstruation is periodic bleeding in the uterus that begins about 14 days after ovulation. The purpose of this study was to determine the Effect of Health Education About Menstruation on Anxiety Levels in Students at SD Negeri 25 Manado. This research method uses a Pre-experimental design with the One Group Pre test – Post test design method. Subjekts in this study amounted to 49 female students with a sample of 15 female students. The sampling technique in this study used stratified random sampling and research instruments using questionnaires, this study used the Wilcoxon test. The Wilcoxone test showed a Sig. (2-tailed) value of 0.001 that the Wilcoxon test results between pre test and post test had a significant value of 0.001 smaller than the value of ?= 0.05. The conclusion in this study was the effect of health education about menstruation on anxiety levels in female students with Wilcoxon test results p = 0.001. This p value is smaller than the value of ?= 0.05, so health education about menstruation is very influential on female students who experience menstruation.