Why Is My Period Missing? Irregular Menstruation Causes - Obstetrics and Gynecology

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Menstruation has not occurred, but pregnancy tests show negative results?


Hello Doctor: I have had regular menstrual cycles since I started menstruating, but around my junior year of college, my cycles became irregular.
I didn't have my period after that last one.
I consulted a doctor who said it was due to stress and that my uterus was normal, so I received an injection to induce menstruation.
After a while, I had my period again, but then it stopped for another period of time.
I saw the doctor again and took medication to induce menstruation, but it hasn't returned since then.
It has now been about four to five months.
Does this mean that I will need to take medication or receive injections in the future to have my period?

Xing, 20~29 year old female. Ask Date: 2016/01/04

Dr. Lin Wenbin reply Obstetrics and Gynecology


You need to continue monitoring and checking; it’s not necessary to induce menstruation every time, but you should consult a physician at least every two to three months for assistance.

Reply Date: 2016/01/04

More Info


Irregular menstruation, or amenorrhea, can be a distressing experience for many women, especially when it disrupts a previously regular cycle. The absence of menstruation can be attributed to a variety of factors, and understanding these can help in managing the condition effectively.

Firstly, it is essential to recognize that stress is a significant contributor to irregular menstrual cycles. When the body experiences high levels of stress, it can trigger hormonal imbalances that affect the hypothalamus, the part of the brain responsible for regulating the menstrual cycle. This can lead to missed periods or changes in cycle length. In your case, the onset of irregularity coincided with your transition to university life, which often comes with increased academic pressures and lifestyle changes.

Apart from stress, other factors can also lead to missed periods. These include:
1. Hormonal Imbalances: Conditions such as polycystic ovary syndrome (PCOS) can cause irregular periods due to an imbalance in reproductive hormones. Thyroid disorders, whether hyperthyroidism or hypothyroidism, can also disrupt menstrual cycles.

2. Weight Changes: Significant weight loss or gain can impact your menstrual cycle. Low body weight, often seen in eating disorders, can lead to amenorrhea, while obesity can cause irregular cycles due to hormonal changes.

3. Excessive Exercise: Intense physical activity, especially in athletes, can lead to a condition known as hypothalamic amenorrhea, where the body stops menstruating due to low energy availability.

4. Medical Conditions: Certain medical conditions, such as diabetes or autoimmune disorders, can also affect menstrual regularity.

5. Medications: Some medications, including hormonal contraceptives, can alter your menstrual cycle. If you have recently started or stopped any medications, this could be a contributing factor.

Given that you have already consulted with healthcare professionals and received treatment, it is crucial to continue this dialogue. If your periods have not returned after several months, it may be necessary to explore further diagnostic tests to rule out underlying conditions such as PCOS or thyroid issues.
Regarding your concern about needing medication or injections to induce menstruation, it is not uncommon for some women to require hormonal treatments to regulate their cycles, especially if the underlying cause is hormonal imbalance. However, this should be a temporary solution while you work with your healthcare provider to identify and address the root cause of your irregularity.

In the meantime, consider lifestyle adjustments that may help manage stress and promote hormonal balance. This includes:
- Stress Management: Engage in relaxation techniques such as yoga, meditation, or deep-breathing exercises to help reduce stress levels.

- Balanced Diet: Ensure you are consuming a well-balanced diet rich in nutrients that support hormonal health, including healthy fats, lean proteins, and plenty of fruits and vegetables.

- Regular Exercise: While excessive exercise can be detrimental, moderate physical activity can help regulate hormones and improve overall well-being.

- Sleep Hygiene: Prioritize getting enough sleep, as poor sleep can exacerbate stress and hormonal imbalances.

Ultimately, it is essential to maintain open communication with your healthcare provider. They can help you navigate your options and develop a personalized plan that addresses your specific needs. Regular follow-ups will also allow for adjustments to your treatment plan as necessary, ensuring that you can regain a regular menstrual cycle and improve your overall health.

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