Sana Javaid, Sana Qanber Abbasi, Iqtadar Ali Rizvi, Nazish Jamil, Rabia Ahsan, Ghazal Mansoor.
Association of green tea with premenstrual syndrome - an observational study in young girls.
Pak J Physiol Jan ;18(4):3-6.

Background: Premenstrual syndrome (PMS) is a health problem worldwide and involves both physical and psychological / behavioural symptoms. The objective of this study was to find out any association between green tea intake and physical symptoms of PMS among young medical and dental female students. Methods: This cross-sectional observational study was conducted at University College of Medicine and Dentistry, University of Lahore. The study included 100 female medical and dental students, selected with convenience non-probability sampling technique, aged 18–26 years; 78 of them had premenstrual physical symptoms. Data were collected on a self-administered and preformed proforma. All participants were advised to take green tea (3 cups/day) for 3 months. The data were entered and analysed using SPSS-24. Results: Mean age of females suffering from physical symptoms of PMS was 22±1.6 years and the mean weight was 60.5±7.7 Kg. Abdominal bloating was the most common symptom affecting 48.7% of the PMS sufferers. The second most common symptom was acne in 32.1% of the subjects. After three months of green tea intake, the study participants were re-evaluated. There was a significant improvement in all physical symptoms of PMS (p=0.001). Conclusion: Consumption of green tea was associated with a decrease in the physical symptoms of PMS.

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