Irregular Periods: When to Worry About Your Health - Obstetrics and Gynecology

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Doctor, I used to have a regular menstrual cycle of 33-35 days, with occasional delays of one to two weeks.
However, for the past three cycles, I have experienced significant delays.
My last period started on September 12, and the next one was on October 2, but I still haven't gotten my period since then.
I have taken a pregnancy test, which came back negative.
Additionally, my menstrual blood has been darker in color, resembling coffee.
Is there something abnormal with my body? Is this considered normal?

Wá gǔ, 20~29 year old female. Ask Date: 2010/03/22

Dr. Dong Yuhong reply Obstetrics and Gynecology


Hello: Whether a missed or irregular menstrual period indicates an illness and what causes it are questions that are best addressed by your attending physician after a medical consultation.
It is recommended to visit a gynecologist, where you can raise your questions.
Your attending physician will provide appropriate answers based on your situation and the results of the examinations.
Thank you.

Reply Date: 2010/03/22

More Info


Irregular periods can be a source of concern for many women, and it's understandable to seek clarity about what might be happening with your body. Based on your description, it seems that your menstrual cycle has shifted from a relatively regular pattern of 33-35 days to being significantly delayed, with your last period being on September 12 and the next one not arriving until October 2, and now you have not had a period since then.
First, it's important to note that menstrual cycles can be influenced by a variety of factors, including stress, changes in weight, hormonal imbalances, and underlying health conditions. The fact that you have ruled out pregnancy is a good first step, but there are other potential causes for your irregular periods that you may want to consider.

1. Hormonal Imbalances: Conditions such as polycystic ovary syndrome (PCOS) can lead to irregular menstrual cycles. This condition is often accompanied by other symptoms such as weight gain, acne, and excessive hair growth. Hormonal imbalances can also occur due to thyroid issues, which can affect your menstrual cycle.

2. Stress and Lifestyle Factors: High levels of stress can significantly impact your menstrual cycle. Stress can lead to hormonal changes that may delay or even stop your period. Additionally, lifestyle factors such as significant weight loss or gain, excessive exercise, or changes in diet can also affect your cycle.

3. Age and Menstrual Changes: If you are in your late teens to early twenties, your body may still be adjusting to hormonal changes, which can lead to irregular periods. It's also worth noting that as women approach perimenopause (typically in their late 30s to 40s), they may experience changes in their menstrual cycles.

4. Medical Conditions: Certain medical conditions, such as endometriosis or uterine fibroids, can also lead to changes in your menstrual cycle. If you experience additional symptoms such as severe pain, heavy bleeding, or other unusual symptoms, it would be wise to consult with a healthcare provider.

Regarding the dark brown discharge you mentioned, this can be normal as well. Menstrual blood can vary in color, and brown blood often indicates older blood that has taken longer to exit the body. However, if you notice any significant changes in your menstrual flow, such as an increase in heaviness, or if you experience any unusual symptoms like severe pain or discomfort, it is advisable to seek medical attention.

In conclusion, while occasional irregularities in your menstrual cycle can be normal, persistent changes warrant further investigation. It would be beneficial to schedule an appointment with a healthcare provider who can perform a thorough evaluation, including a physical examination and possibly blood tests to check hormone levels. They can help determine if there is an underlying issue that needs to be addressed and provide guidance on how to manage your menstrual health moving forward. Remember, your health is important, and seeking professional advice is always a good step when you have concerns.

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