Hubungan Status Gizi Dan Aktivitas Fisik Dengan Usia Menarche Remaja Putri Di Smpn 1 Padang

Mutiara, Tarisa (2025) Hubungan Status Gizi Dan Aktivitas Fisik Dengan Usia Menarche Remaja Putri Di Smpn 1 Padang. S1 thesis, Universitas Andalas.

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Abstract

Menarche is the first menstrual event for adolescent girls. Menarche signifies the functional maturity of the reproductive organs of adolescent girls. Menarche experienced by adolescent girls occurs in the age range of 11-14 years. Menarche that occurs at the age of less than 11 years is categorized as early menarche and occurs at the age of more than 14 years is categorized as delay menarche. Various factors that influence menarche include nutritional status and physical activity which play a major role in influencing the arrival of menarche. This study aimed to analyze nutritional status and physical activity with the age of menarche of adolescent girls at SMP Negeri 1 Padang. This study used an observational analytic method with a cross-sectional design. The sample in this study were female students in grades VII-VIII of SMP Negeri 1 Padang as many as 100 students were involved as respondents using Propotionate Random Sampling technique. Data were obtained using the Psychal Activity Queistionaire for Children and measurements of height and weight. Univariate data analysis was conducted to see the frequency distribution of variables and bivariate analysis using Chi-square test to see the relationship between two variables. The results of the study indicated the prevalence of normal age at menarche (90%) and normal nutritional status (50%), as well as the frequency distribution of physical activity. The majority of physical activity was characterized as light (93%). The analysis of data revealed no correlation between nutritional status and age at menarche (p = 0.505). However, the relationship between physical activity and age at menarche could not be examined due to the presence of cells with missing values. The conclusion of the study is that nutritional status has no relationship with menarche age. Many factors affect the age of menarche, it is hoped that research can be carried out on other factors that affect menarche. The type of physical activity of female students of SMP Negeri 1 Padang has light physical activity. Keywords: Age of menarche, nutritional status, physical activity

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