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KMID : 0353019710080010179
Korean Journal of Public Health
1971 Volume.8 No. 1 p.179 ~ p.192
A Survey on Menstruation of Women in an Urban Area

Abstract
A detailed survey was conducted towards 2,855 women (middle & high school students; 782, college students; 592, bus girls; 426, factory workers; 633, and married women 426, etc.) on factors related to menstruation. The servey was conducted during September 1-November 30, 1970. The following conclusions were obtained from the study:
A. Knowledge about menstruation
1. The knowledge about menstruation before menstruation was reported by 82.8 per cent of all women surveyed.
2. Source of information about menstruation.
The college students and the middle and high school students reported school education as the main source of knowledge about menstruation, the percentages being 46.2 and 35.7 respectively.
The bus-girls and the married women learned of it from parents, the percentage bring 34.6 and 38.0 respectively. The factory workers learned from school education, the percentage was 44.5 per cent.
3. Shyness after first menstruation
Of those who responded to the survey 75.6 per cent (college students; 66.5 per cent, middle or high school students;78.0 per cent, bus-girls; 81.4 per cent factory workers; 70.2 per cent and eligible women; 81.5 per cent) reported having been shocked at first menstruation. About 12 per cent reported of no mental or emotional disturbance.
B. Age of menarche
1. Age of menarche
The average age of menarche was 14.4 years. The earliest age of menarche was 11 and the latest age 23. The college students the age of menarche for college students was 13.3 years, that of the middle or high school student was 13.2 years that of the bus-girl 14.7 years, the factory worker 16.1 years, and the married women 16.8 years.
2. By living standard, the women from "wealthy" families the age of menarche was lowest and it was low with women under "different" parents. Also, those reporting of personal hobbies such as music, physical culture, reading and thinking reported advent of an early menarche.
C. Menstruation
1. For six months after the age of menarche, 46.6 per cent of the students had normal menstruation, and 53.4 per cent of them had abnormal ones. Of the women with abnormal menstruation 19.7 pre cent had no menstruation for one month of three months, 18.8 per cent had abnormal menstruation from time to time, 8.6 per cent had no menstruation for more than six months.
Most women to have normal menstruations a few months after the menarche.
2. At the time of interviews, 69.1 per cent of the women (1946) had normal menstruation, and 30.9 per cent had menstruation every 30 days, 28.8 per cent every four weeks. The average cycle of menstruation was 28.1 days.
D. Duration of menstruation
In 32.4 per cent of the total investigated duration of menstruation was 5 days, in 30.7 per cent 4 days, and in 16.6 per cent three days. The duration of menstruation ranged from 1 days to 8 days with an average of 4.5 days.
E. Quantity of menstruation
Out of the total 59.2 per cent had "medium" amount of menstruation, 22.2 per cent had "profuse" amount of menstruation, and 16.3 per cent "small" amount.
F. Symptoms acompanying menstruation Out of the total 86.2 per cent had some pains, while 13.8 per cent had symptoms.
Among the symptoms, abdominal pain occupied 34.6 per cent, Lumbago 25.1 percent, neuroligical conditions 19.5 per cent and pain 3.1 per cent.
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