The increasing age of marriage (PUP) is an action taken by the government to increase the age of first marriage, so as to achieve a healthy reproductive age for women of 2o years and for men of 25 years. With a total of 25.53 million incidents of child marriage throughout the world, Indonesia ranks fourth in child marriage statistics (UNICEF, 2023). One of the big problems related to violations of children's rights is child marriage. Based on data, almost 1 in 9 women get married and have children before the age of 18. Therefore, initiatives to stop child marriage are very important. According to data from the Central Statistics Agency (BPS), in 2022, 33.76% of Indonesian teenagers will marry for the first time at the age of 19 to 21 years. The implementation of the service was carried out using Booklet  media containing about maturing the age of marriage and the impact of early marriage which was carried out pre and post to determine teenagers' knowledge about PUP. The number of service targets is 60 people. Place of implementation at GBKP Church Km 8 Medan. The results obtained before being given the Booklet , the majority of teenagers had poor knowledge about PUP, 47 people (78.3%) and after being given the Booklet , the majority of teenagers had good knowledge, 57 teenagers (95.0%). During the implementation of the service, teenagers were very enthusiastic about participating and almost all teenagers understood about PUP.

WHO in 2018 noted that of the 675 million elderly deaths in the world due to degenerative diseases, 225 million (33.33% proportion) were in developed countries and 450 million (66.66 proportions) were in developing countries. The elderly population is estimated at almost 600 million people, which is projected to be 2 billion in 2050. Problems that often occur in the elderly include physical changes: cell decline, changes in the cardiovascular system, decreased respiration. Efforts to improve the health status of the elderly in the community are through
Posyandu services for the elderly. Utilization of Posyandu for the Elderly is low even though it provides the benefits needed for the health of the elderly. This study is an analytic observational study with a cross sectional approach to analyze whether or not there is a relationship between knowledge and attitudes of the elderly with the use of posyandu for the elderly. The elderly population in Ujung Labuhan Village, Namorambe District, Deli Serdang Regency in 2021, as many as 72, the sample was taken by purposive sampling with a total of 45 elderly. Data analysis using chi square test. Most of the respondents have a low level of knowledge, namely 26 respondents (57.8%), a small proportion have good knowledge, 19 respondents (42.2%). Most of the respondents had a positive attitude towards the elderly posyandu as many as 23 people (51.1%), a small number of respondents had a negative attitude as many as 22 people (48.9%). Based on the results of the chi square test, it is known that the value of p = 0.000 <0.05 means that there is a relationship between attitudes and the use of posyandu for the elderly. There is a relationship between knowledge and attitudes of the elderly with the use of posyandu for the elderly. The elderly population in Ujung Labuhan Village, Namorambe District, Deli Serdang Regency in 2021. It is hoped that health workers will take a more innovative approach in providing health services to the elderly while still implementing health protocols.

Background: Family Planning (KB) is a program to balance the needs and population. Contraceptives are tools used to regulate pregnancy distance and control birth. Total Fertality Rate (TFR) in 2018 has not reached the national target of 2.31 children per woman. Knowledge and attitude of the female age couple influences in the use of contraceptives. Goals: To find out the level of knowledge and attitude towards the use of Contraceptives.
Methods: This research uses analytic descriptive method with cross-sectional design, Data was collected through interview using questionnaire on 100 respondents. The analysis was conducted in univariate analysis and bivariate analysis with chi-square test with a significance level of 90% to see the relationship between the dependent and independent variables.
Result: the level of knowledge and attitude of respondents in a good category, chi-square test results show a significant relation (p = 0.001) between the level of knowledge to the use of contraceptives. The relationship of attitudes towards the use of contraceptives has a significant relation (p=0.000).
Conclusion: there is a significant relation between the level of knowledge and attitude of female age couple towards the use of contraceptives.