A new study published in Human Reproduction indicates that girls who consume healthier diets may experience their first menstrual periods (menarche) at an older age compared to those with less nutritious diets, independent of height and body mass index (BMI). This research examines dietary impacts on menarche, contrasting previous studies that primarily linked height and BMI to early onset. Puberty typically occurs between ages 8 and 13, with the first period happening approximately two years after breast development.
Early onset of menstruation can lead to various health issues, including increased risks of depression, substance abuse, obesity, and certain cancers later in life. Researchers at Fred Hutchinson Cancer Center analyzed health records of over 7,500 children and their dietary habits from the Growing Up Today Study, focusing on healthy eating patterns and inflammatory foods.
Findings reveal that girls with healthier diets are likely to have later menarche than those who consume more inflammatory foods, which can spur earlier onset. While the study establishes a connection, it doesn’t prove causation, and many participants were predominantly white, limiting broader applicability.
Notably, factors influencing menarche include genetics, environment, and socioeconomic status. To promote healthier habits, experts suggest a family-focused approach to nutrition without coercion, encouraging parental modeling of healthy eating. Resources like the USDA’s MyPlate can guide parents in helping children enjoy a balanced diet. Ultimately, nutrition improvements can foster better health behaviors in preteens, especially during puberty.
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