Background: Monitoring the adherence of pregnant women to taking iron supplements indicates controlling the appropriateness of taking a certain number of supplements. This increases the odds of effective iron absorption; a process that occurs by consuming at least 30 iron pills a month to prevent gestational anemia. This study aimed to determine the effects of monitoring pregnant women’s compliance in taking up iron supplements through an Android application in Jambi City, Indonesia. Methods: This was a quasi-experimental single group study with a pre-test-post-test design. The study subjects included 50 pregnant women in their third trimester referring to 3 maternity Hospitals in Jambi City, Indonesia, in 2020. Initial data were obtained through Hemoglobin (Hb) measurements before being given a monitoring application and subsequent Hb level checks after giving the application. The obtained data were analyzed by t-test and Mann-Whitney U test in SPSS v. 16. A significance level of 5% was considered. Results: The results obtained in the initial examination indicated that the minimum Hb level was equal to 7.3 g/dL and the maximum level was measured as 11.2 g/dL. After the intervention, the Hb level increased to a minimum of 7.6 g/dL and a maximum of 12.2 g/dL. The Mann-Whitney U test data suggested a significant difference in the degree of compliance of pregnant women with iron supplementation (P=0.010). Conclusion: Monitoring through the Android application increased pregnant women’s compliance with taking iron supplements and presented a linear impact on increasing their Hb level.

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The high population growth rate is an urgent problem that needs to be addressed immediately. The government's efforts that have been made to overcome this population problem include birth control through the Family Planning program. Hormonal contraception is a contraceptive device or drug that aims to prevent pregnancy which will change the production of hormones in a woman's body during conception. This study aims to determine the effect of health education on the side effects of hormonal contraception on the knowledge of couples of childbearing age in the working area of ​​Kuamang Kuning X Bungo Health Center. This research is a pre-experimental study with The One Group Pre-test and Post-test Design. The sample in this study was 101 couples of childbearing age (PUS) in the working area of ​​the Kuamang Kuning X Health Center, which was carried out in March-June 2022. Data analysis used was the Paired t-test. The results showed that before the intervention, there were 52 respondents with good knowledge, and after the intervention, there were 92 respondents with good knowledge. The mean value of knowledge before health education was 10.52; after health education, it increased to 14.13. The results of the Paired t-test were P-value 0.0001 <0.05, meaning that there was an influence of health education regarding the side effects of using hormonal contraception on the knowledge of couples of childbearing age (PUS). The conclusion of the study is that health education about the side effects of using hormonal contraception can increase knowledge of PUS. Keywords: Contraception, Couples of Reproductive Age, Knowledge, Health Education