According to HealthCentral, experiencing more stress than usual is a common reason for woman to have a late or missed menstrual period. High stress levels can cause ovulation to not occur or to be delayed, and not ovulat... More »

Stress plays a large role in irregular or missed periods in many women, according to Everyday Health. Stress suppresses the function of the hypothalamus, which controls the pituitary gland, and disturbances to the pituit... More »

In some rare cases, excessive stress causes bleeding between periods. It is more common that another condition is responsible, such as pregnancy, polycystic ovary syndrome, infection, pelvic inflammatory disease or side ... More »

There are many reasons why a woman’s period might come early, including severe weight loss or gain, certain medications, metabolic syndromes, endocrine disorders, stress or the onset of perimenopause. Experts consulted b... More »

The most common reason for having two periods in one month is when a woman has a short cycle and one period occurs at the beginning of the month, and then about 24 days later, another occurs at the end of the month, acco... More »

Pregnancy is a commonly known reason for a late period, but it isn’t the only reason why a woman’s period might be 10 days late, according to WebMD. Other reasons for a late period include stress, severe changes in weigh... More »

Menstrual periods may be irregular due to a woman’s age, exercise habits, stress levels, diet or health problems, according to WebMD. If a period starts and stops and restarts in the same day, it may be due to birth cont... More »