19.04.2025

Why do menstruation go twice

Menstrual irregularities are something that almost every woman faces. Often the symptomatology is expressed in the fact that menstruation occurs 2 times a month.

For young girls, whose cycle has not yet been fully formed, this is not a symptom of any disease.

However, menstruation twice a month is not typical for adult women who previously had no malfunctions in the cycle. Let’s try to figure out why menstruation began a second time in a month.

What menstrual cycle is considered normal

In the menstrual cycle, two phases are distinguished – follicular and luteal. During the follicular phase, the egg ripens, which then leaves the follicle during ovulation. This phase begins on the first day of menstruation. It is replaced by the luteal phase, during which iron hormone producing hormones, the corpus luteum, are formed in place of the ovum.

Under the influence of hormones (including progesterone) in the female body, preparation for conception and pregnancy is launched.

It consists of the following processes:

  • other follicles stop developing for a while;
  • uterine epithelial tissues, into which a fertilized egg is implanted in the future, increase in size, the network of blood vessels grows;
  • the immune barrier weakens to prevent embryo rejection;
  • in the mammary glands there is an increase in ducts.

If conception has not occurred, the corpus luteum dies, and with the advent of menstruation, the next menstrual cycle begins. A normal menstrual cycle usually lasts from 28 to 32 days. Small deviations are allowed – cycles of 21-35 days are not considered pathology.

Possible reasons why menstruation goes twice a month

In a situation where menstruation comes a second time in a month, the reasons may be different.

There are several of them:

  1. The use of oral contraceptives. The body can thus respond to taking pills in the first three months.
  2. The use of an intrauterine device. Frequent menstruation , characterized by profuse discharge, is an occasion to change the contraceptive.
  3. Hormonal imbalance. Disruption of the hormonal background leads to an upset menstrual cycle. May come monthly twice a month or, conversely, once every two months. Inflammatory processes in the female reproductive system can cause such problems. One of the reasons that menstruation began a second time in a month may be a hormonal malfunction caused by abortion or childbirth.
  4. Age features of women. Monthly 2 times a month in a teenager is a fairly common occurrence, as the formation of the cycle continues. A similar situation is observed in premenopausal women.
  5. Weak bleeding can occur in the middle of the menstrual cycle due to ovulation or implantation of the embryo into the uterus.

The answer to the question why menstruation goes twice a month, there may be some pathology.

Among them, the most common:

  • Uterine fibroids. It is a benign neoplasm, which sometimes reaches a large size. Often it causes a malfunction of the hormonal system. In this regard, frequent abundant periods are observed. Myoma is subject to mandatory treatment, often with the use of surgery.
  • Inflammatory processes in the ovaries, fallopian tubes, cervical erosion can cause the onset of menstruation not on schedule.
  • Endometriosis, polyps can also cause repeated periods.
  • Adenomyosis is an inflammatory disease that occurs due to hormonal disorders.
  • Menstruation for the second time in a month of brown color, having a watery consistency, is often a symptom of uterine cancer. This is a serious indication for an urgent visit to the gynecologist.
  • Unscheduled menstruation may come due to a miscarriage if the fertilized egg has been rejected by the body.
  • Ectopic pregnancy. If a fertilized egg has invaded the fallopian tube, bleeding may occur. This condition is life threatening and requires prompt diagnosis.
  • Blood clotting disorders can cause extraordinary menstruation.
The impact of stressful situations on menstruation

It is important for every woman to understand that bloody vaginal discharge is not always menstrual. Often this is bleeding, only similar to menstruation.

It happens that the cause of this phenomenon is stress. Emotional experience provokes a hormonal surge, which, in turn, causes sudden bleeding. The same phenomenon can be observed when changing climate during moving or traveling.

The following tips will help you avoid worrying that your period came 2 times a month:

  1. try to refrain from strong shocks,
  2. relate to the little things easier
  3. carefully monitor the medication you are taking,
  4. Get tested regularly and keep your hormone levels under control.
Diagnostics

In case of menstrual irregularities, the following examinations are usually prescribed:

  • External gynecological examination.
  • A smear test to detect infection.
  • Laboratory blood test to determine hormone levels.
  • Ultrasound examination of the pelvic organs. Also, if there are indications, an ultrasound of the adrenal gland, thyroid gland is performed.
  • Comprehensive brain examination using MRI.

This order of diagnostic procedures is due to the fact that the identification of an active inflammatory process eliminates the need for other manipulations (ultrasound, MRI). These procedures are required only when other diagnostic methods are not allowed to find the reason why the menstruation  bothers the patient for the second time in a month.

Indications for a visit to the gynecologist

Normal is the dark red color of the discharge during menstruation. By the end of menstruation, the discharge may become brown due to blood oxidation. Scarlet, not changing for 4-5 days, the color of blood during repeated menstruation signals uterine bleeding. In this case, you need to immediately visit a doctor. After diagnosis, he will prescribe hemostatic drugs.

If menstruation occurs two weeks after the previous one and is accompanied by cramping pain in the lower abdomen, an ambulance should be called immediately. Most often, an ectopic pregnancy is manifested.

In a young girl, whose menstrual cycle begins to form, this phenomenon should not be the cause of emotions – this is a completely natural situation.

Monthly every two weeks should not be a cause for excitement when using hormonal contraception. Do not forget to tell the gynecologist who prescribed the drug about the discharge.

With the repeated appearance of menstruation not on schedule, you should consult a gynecologist. It is important to get a consultation and go through a diagnosis. Properly selected treatment can solve hormonal problems and cope with those pathologies of the reproductive system that cause repeated menstruation.

Treatment of menstrual irregularities

It is necessary to begin treatment as soon as the diagnosis becomes clear why the menstruation goes 2 times a month. Diseases of the genitourinary system caused by infections require the use of etiotropic antibacterial drugs. For the treatment of hormonal dysfunction, special hormonal preparations are selected. A set of medicines is prescribed individually, depending on the results of laboratory blood tests, computed tomography and magnetic resonance imaging of the patient’s internal organs.

Hormone treatment has the greatest effect if menstruation twice a month is provoked by premenopausal changes in the body of a woman at a later age.

Compliance with the principles of a healthy lifestyle, smoking cessation, the use of narcotic substances and alcohol may be additional methods of treatment.

It is possible to achieve noticeable results when using general strengthening therapy if any serious diseases of the internal organs are not accompanied by menstrual irregularities.

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