The present data suggest that the season of birth influences sexual maturation rate in women.
The aim of this study is to investigate the association of allergic rhinitis in female university students with socio-economic factors and sex-hormone markers, including age at menarche, menstrual disorders, and selected anthropometrics indexes. The research was conducted among 640 female university students, aged 19-25 years. The measurements of body height, body mass, waist and hip circumference were taken. Each person completed a questionnaire. The occurrence of allergy was determined on the basis of answers to the questions whether the allergy and its allergens were defined on the basis of medical workup. We found that a significantly larger number of cases of allergic rhinitis were recorded in the university students coming from families of high socio-economic level than those from lower level. Allergic rhinitis also was more frequent in the students who spent their childhood in cities than in those who lived in the countryside. The prevalence of allergic rhinitis was inversely correlated to the number of siblings. There were no differences in the prevalence of allergic rhinitis in relation to the birth order. The estrogen level seemed unassociated with rhinitis. However, there were slightly more allergic among females with an earlier age of menarche.
Introduction: Menstrual disorders generally affect the daily activities of females, and menstrual pain is a common gynaecological complaint in westernized societies. The aim of the study was to determine the prevalence of, and the factors related to, menstrual pain in young, healthy women.Material and methods: Data from 600 university students were obtained during the cross sectional survey. Students were asked to complete an anonymous questionnaire. Information on the women’s socioeconomic status, age at menarche, and menstrual cycle characteristics: i.e. the length and regularity of cycles, the duration of menstrual flow, and the occurrence of menstrual pain, headache and back pain during the cycles were asked about. Each person’s height, weight and waist circumference were measured, and the following indices: BMI, WHR, and WHtR were calculated.Results: 29.8% of the surveyed students reported the occurrence of moderate pain during menstruation, and 21.7% reported the occurrence of severe menstrual pain. Significant differences were observed in the prevalence of menstrual pain with relation to age at menarche and the amount and distribution of adipose tissue. Menstrual pain was more prevalent among women who experienced menarche at a younger age. Among overweight and obese students, as well as among students with abdominal obesity, menstrual pain was more frequent than among those with correct weight and correct waist circumference. Moreover, psychological stress was associated with menstrual pain.Conclusion: The results of this study show that a significant percentage of young women complain of menstrual pain. Menstrual pain is associated with early age at menarche, obesity and abdominal obesity.
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