--- title: Does caffeine affect the menstrual cycle? | Niyora description: A study of female medical students found a significant link between caffeine drinks and menstrual cycle changes, but the abstract does not specify what the ef url: https://niyora.com/research/papers/the-relationship-between-caffeinated-beverage-intake-and-menstrual-cycles-in-2025/ --- - [Niyora](https://niyora.com/) - [Research](https://niyora.com/research/) - [Library](https://niyora.com/research/library/) - Does caffeine affect the menstrual cycle? Survey study, 2025 # Does caffeine affect the menstrual cycle? A study of female medical students found a significant link between caffeine drinks and menstrual cycle changes, but the abstract does not specify what the effects were. Early or limited evidence Female medical students in Indonesia ## What they did One-time survey of female medical students asking about their caffeine intake and menstrual cycle patterns. ## What they found A statistically significant relationship between caffeine beverage intake and menstrual cycle characteristics. ## What it means for you Caffeine may affect periods, but this study does not explain exactly how. It is a small, single-site study that needs larger confirmation. ## About the study Original title THE RELATIONSHIP BETWEEN CAFFEINATED BEVERAGE INTAKE AND MENSTRUAL CYCLES IN MEDICAL FACULTY STUDENTS OF UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA Authors Adek Firda Widiana, Eka Febriyanti Journal E-Jurnal Medika Udayana Year 2025 Study design Survey study What was tested caffeine intake Open access Yes Read the paper [doi.org/10.24843/mu.2025.v14.i2.p02](https://doi.org/10.24843/mu.2025.v14.i2.p02) Original abstract The World Health Organization (WHO) states that the problem of menstrual disorders with the highest prevalence is irregular menstrual disorders around 80.7%, experiencing premenstrual syndrome (PMS) 54%, irregular menstrual duration 43.8%, dysmenorrhea 38 .1%, polimenorea 37.5% and oligomenorrhea 19.3%. In 2019 the National Coffee Association United States stated that there was an increase in caffeine consumption in adolescents aged around 18-24 years. Caffeine can be contained in coffee, tea, milk, soft drinks, chocolate and even medicines. Side effects that will be caused by caffeinated drinks include insomnia, tremors, palpitations, headaches, nausea, vomiting, anxiety and will cause dependency effects. Caffeine consumption can also affect the menstrual cycle. The purpose of this research is to determine the relationship between caffeinated drinks intake and the menstrual cycle in female students at the Faculty of Medicine, UMSU. This research is an analytic descriptive study with a cross-sectional research design, which means that the research object will be observed only once and variables will be measured during the examination. Based on the results of the study there was a significant relationship between consumption of caffeinated beverage intake and the menstrual cycle in female students of the Faculty of Medicine, Muhammadiyah University, North Sumatra. There is a relationship between intake of caffeinated beverages and the menstrual cycle in UMSU Medical Faculty students Reproduced under CC-BY. ## Topics [Premenstrual syndrome (PMS)](https://niyora.com/research/topics/condition-pms/)[Menstrual cycle and mood](https://niyora.com/research/topics/condition-cycle-mood/)[Dysmenorrhea and period pain](https://niyora.com/research/topics/condition-dysmenorrhea/)[Irritability and anger](https://niyora.com/research/topics/symptom-irritability-anger/)[Diet and nutrition](https://niyora.com/research/topics/treatment-diet/)[Relationships and partners](https://niyora.com/research/topics/life-area-relationships/)[Students and academic performance](https://niyora.com/research/topics/life-area-education/) Research tells you what helps on average. Niyora helps on the day it hits. Calm down, see it another way, and decide what to say, with a PMS and PMDD app built by a doctor. ## Related studies Survey study, 2023 How common are PMS and PMDD among college girls, and what are their symptoms? Cohort study, 2026 Are diet and lifestyle linked to premenstrual symptoms in college students? Study, 2026 What are premenstrual syndrome and premenstrual dysphoric disorder? Survey study, 2025 Do certain nutrients and body weight affect PMS? Survey study, 2025 What psychological and personal factors predict which university students will develop premenstrual syndrome? Cohort study, 2019 How do exercise, diet and weight affect menstrual problems? Ask AI about this page Copy prompt ChatGPT ↗ Claude ↗ Perplexity ↗ Google AI Mode ↗ Grok ↗