Abnormal Bleeding: Causes and Concerns for Women - Obstetrics and Gynecology

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Intermenstrual bleeding


Hello Doctor, my last menstrual period was on October 24th, and on November 5th, I experienced non-menstrual bleeding that was similar in volume to my period and bright red in color.
The next occurrence was on November 6th, but the volume was significantly reduced and the blood was brown.
As of today, November 7th, I am still experiencing brown discharge, but the bleeding has not occurred every time I use the restroom.
According to online information, ovulatory bleeding is often brown or pink, but I am unsure if the bright red bleeding is normal since I experienced that as well.
Six months ago, I had a pelvic ultrasound that showed no abnormalities, but my recent schedule has indeed been quite irregular.

Zhang, 20~29 year old female. Ask Date: 2022/11/07

Dr. Zhang Kunmin reply Obstetrics and Gynecology


Hello, the factors that can affect the menstrual cycle or cause intermenstrual bleeding are numerous, including age, environment, lifestyle, stress, emotional instability, weight changes, medications, emergency contraception, diet, polycystic ovary syndrome, uterine or cervical lesions, infections, ovulation, pregnancy, miscarriage, and breastfeeding, among others.
It is advisable to consult a gynecologist if symptoms persist or worsen to determine if there is a hormonal imbalance or other underlying causes.
Thank you! Wishing you safety and health, Dr.
Zhang.

Reply Date: 2022/11/07

More Info


Abnormal bleeding can be a source of concern for many women, and understanding its causes is crucial for addressing any underlying issues. Based on your description, you experienced a significant episode of non-menstrual bleeding shortly after your last menstrual period, which raises several important points to consider.

Firstly, it’s essential to differentiate between various types of abnormal bleeding. The bleeding you experienced on November 5th, which was similar in volume to your menstrual flow and bright red, could be indicative of several conditions. Bright red blood often suggests fresh bleeding, which may be due to a variety of factors, including hormonal fluctuations, stress, or even physical exertion. The subsequent bleeding on November 6th, which was less in volume and appeared brown, typically indicates older blood that has taken longer to exit the body. This is often seen at the end of a menstrual period or in cases of spotting.

One common cause of mid-cycle bleeding is ovulation bleeding, which can occur around the time of ovulation (approximately 14 days before the next expected period). This type of bleeding is usually light and may be accompanied by other symptoms such as mild cramping or changes in cervical mucus. However, it is important to note that ovulation bleeding is typically characterized by lighter spotting rather than a flow comparable to a menstrual period.

Given that you mentioned having a recent ultrasound that showed no abnormalities, it is reassuring that there are no immediate concerns regarding structural issues such as fibroids or polyps. However, the fact that you are experiencing significant changes in your cycle, especially with the recent irregularities, suggests that hormonal imbalances could be at play. Stress, changes in lifestyle, and irregular sleep patterns can all contribute to hormonal fluctuations, which may lead to abnormal bleeding.

In your case, the irregularities in your cycle and the nature of the bleeding could also be influenced by lifestyle factors. You mentioned that your schedule has been chaotic recently, which can significantly impact your hormonal balance. Stress and lack of sleep can lead to increased cortisol levels, which may interfere with the normal regulation of hormones such as estrogen and progesterone, potentially leading to abnormal bleeding.

If this bleeding persists or if you experience additional symptoms such as severe pain, dizziness, or an increase in the volume of bleeding, it is crucial to seek medical attention. A healthcare provider may recommend further evaluations, including blood tests to assess hormone levels, or additional imaging studies if necessary.

In summary, while occasional abnormal bleeding can be normal, especially in the context of lifestyle changes and stress, it is essential to monitor your symptoms closely. Keeping a detailed record of your menstrual cycle, including the timing, duration, and nature of any bleeding, can be helpful for your healthcare provider in determining the underlying cause. If you continue to experience irregularities, consider discussing the possibility of hormonal therapy or other interventions that may help regulate your cycle and alleviate your concerns.

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