What Are The Causes of Irregular Menstrual Cycles

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When there is a delay in menstruation, pregnancy is the first thought that comes to any woman’s mind. However, according to experts, there could be many other physical and emotional causes responsible for this delay. We all know that high levels of stress in lifestyle can adversely affect the hormonal balance of the body. This disturbance leads to irregular periods. Through this article, we will talk about the causes of irregular menstrual cycles.


Traumatic events and stressful situations, that are not adequately treated, can cause hypothalamic amenorrhea. The hypothalamus is a severely stressed brain area that plays a role in the secretion of those hormones, on which the regularity of the menstrual cycle depends on. Therefore, it is natural to have irregular periods if there is stress.

ALSO READ – Physiological Changes During Pregnancy

2Dysfunctions of The Thyroid Gland

Thyroid gland on the neck regulates metabolism and coordinates with other body systems so that all systems work properly Any dysfunction of the thyroid gland may cause symptoms including menstrual disorders.

3Polycystic Ovary Syndrome

Polycystic ovary syndrome causes hormonal disturbances due to lack of ovulation, thereby causing insufficient secretion of estrogen, progesterone, and testosterone. Due to this, there may be irregular periods, excessive hair loss, weight loss, and infertility. Treatment by the specialist is the only correct way to cure this disease.

4Chronic Disease

Any uncontrolled and untreated chronic disease like celiac disease, along with many other disorders in the body, can also lead to irregular periods. Therefore, if you have irregular periods, then you must opt for a thorough medical examination.

5Use of Contraceptive Pills

If you use contraceptive pills, you may have a delay in menstrual period. Contraceptive pills of the low quantity of hormones are also they are often the cause of irregular periods. As soon as you stop eating these pills, irregularity of menstruation is resolved within a few months.

ALSO READ – Fertility Facts and Myths When Trying to Get Pregnant

6Premature Menopause

When women under the age of 40 suffer hormonal disturbances, they can get premature menopause. This is manifested by lack of menstruation, night sweats, and vaginal dryness. Early menopause can only be diagnosed by the gynecologist.

7Circumstances of Circadian Rhythms

A sudden change in daily schedule, which affects the body’s circadian rhythm (for example, going from day to night shift) also affects the regularity of menstrual period. In this situation, to adjust the menstrual cycle, take a long break from your current routine and let your body completely recharge.

8Change of Medicines

Women who have undergone a particular drug treatment for a long time and start another new one may notice delays in the menstrual cycle. The treating physician can determine whether this is the cause of the disturbed menstruation and can find a therapeutic alternative to fix the problem.

9Wrong Calculation of the Menstrual Cycle

The duration of the menstrual cycle varies from one woman to another. Even though the average period is generally 28 years, it may not be valid in all cases. Therefore, many women believe that menstruation is delayed, focusing on general guidelines for the normal cycle duration.


Suddenly increased weight or obesity also affects your hormonal activity and can cause irregularity in the menstrual cycle. Therefore, if you are struggling with irregular menses, you must consider checking your weight for any sudden increase.

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Apart from consultation, as the disorder is also influenced by lifestyle, it is advisable to avoid extreme physical effort, a balanced diet that will keep weight within normal limits and a regular sleep schedule.

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