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Is it normal for menstruation to be delayed or advanced by a few days?

2026-01-16 07:03:51 · · #1

After menarche, women gain a new companion, affectionately known as "Aunt Flo" in recent years. However, for some women, the arrival of Aunt Flo is unpredictable. But, for example, a sudden delay in menstruation isn't always a simple matter, as the regularity of the menstrual cycle is, to some extent, an indicator of a woman's reproductive health. Therefore, women should know whether a delay or advance of a few days in menstruation is considered normal and not necessarily a sign of illness.

A menstrual period that is seven days late or early is considered normal.

Experts say that due to differences in each woman's constitution and personal habits, the menstrual cycle is often not a normal, complete 28 days; generally, there will be some fluctuation. Menstruation occurring within a range of seven days before or after the 28-day cycle is considered within the normal range of menstrual fluctuations. Therefore, if your period is delayed or advanced by three to five days, there is no need to worry excessively or seek medical attention.

What could be the reasons for a woman's menstrual cycle being delayed?

If menstruation is delayed for up to seven days, it is considered normal and there is no need to worry excessively. However, if menstruation is still delayed beyond seven days of the normal cycle, it is necessary to be concerned about whether there is a health problem.

Delayed menstruation can have multiple causes, such as common pregnancy-related amenorrhea, or endocrine disorders caused by personal psychological stress or related medications, all of which can lead to temporary menstrual delays and are often easily resolved with treatment. However, delayed menstruation caused by factors such as endometrial hyperplasia cannot be ruled out.

Editor's Note: A regular menstrual cycle is an important indicator of women's health. If menstruation is delayed or early, it is important to first determine whether it is a normal physiological phenomenon. Otherwise, you should go to the hospital for diagnosis and treatment as soon as possible.

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