Почему месячные начались на неделю раньше обычного?

Menstruation is a natural process that occurs when the lining of the uterus is shed. The menstrual cycle typically lasts for 28-30 days, but can vary from person to person. In some cases, a woman may experience menstruation a week earlier than usual. There are several possible reasons for this.

 Овуляция

One of the most common reasons for early menstruation is ovulation. Овуляция is the release of an egg from the ovary. It typically occurs around day 14 of the menstrual cycle. However, if ovulation occurs earlier than usual, it can cause menstruation to start sooner.

 Stress

Stress can also trigger early menstruation...