Is it normal to have a 45 day menstrual cycle?
Menstrual cycles vary between women and are measured from the first day of the period to the first day of the next period. In adolescents a cycle may be as long as 45 days, however by the 20s-30s a cycle is usually between 21-38 days. Periods change over a woman's lifetime.
Women may also find that their menstruation cycle is changing before menopause. Women can experience age-related menstrual changes as early as their 30's. Some of the changes that women can experience include: A change in periods - shorter or longer, lighter or heavier, with more or less time in between.
- Irregular periods are common among adolescent women, and in women approaching menopause. Factors such as stress, extreme emotion (good or bad), weight changes, excessive physical activity and travelling can also cause irregularities in a woman's menstrual cycle.
- The menstrual cycle, which is counted from the first day of one period to the first day of the next, isn't the same for every woman. Menstrual flow might occur every 21 to 35 days and last two to seven days. For the first few years after menstruation begins, long cycles are common.
- It also prepares your body for pregnancy each month. A cycle is counted from the first day of 1 period to the first day of the next period. The average menstrual cycle is 28 days long. Cycles can range anywhere from 21 to 35 days in adults and from 21 to 45 days in young teens.
Updated: 2nd October 2019