Irregular Bleeding: Causes and What to Expect - Obstetrics and Gynecology

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Intermenstrual bleeding


Hello Doctor: My last menstrual period was on November 26.
I had sexual intercourse on December 3, 7, and 9.
Then on December 15, I experienced 1 or 2 drops of bleeding, with no bleeding on the 16th.
I had light bleeding on the 17th, 18th, 19th, 20th, and 21st, with the blood being light pink or brown in color, which was only enough to use a panty liner.
I sometimes feel a bit of dull pain in my abdomen.
I'm not sure what this situation means.
I visited a doctor today, and they advised me to wait until my next menstrual period, as there are only 3 or 4 days left until then.
They also mentioned that if I experience bleeding in the next couple of days, I should not worry about it.
I would like to ask the doctor what my situation might be.
Thank you!

Yueyue, 30~39 year old female. Ask Date: 2021/12/21

Dr. Wu Xianghui reply Obstetrics and Gynecology


1.
"Abnormal vaginal bleeding" has numerous causes, including lifestyle habits and stress, age, vaginal infections, benign gynecological conditions, and malignant tumors, among others.
2.
It is recommended that you first follow your doctor's advice for observation or seek examination and a second opinion from another qualified obstetrician-gynecologist.

Reply Date: 2021/12/21

More Info


Irregular bleeding can be a concerning issue for many individuals, and understanding its potential causes is essential for addressing any underlying health concerns. Based on your description, it seems you have experienced some unusual bleeding patterns following your last menstrual period, which can be attributed to various factors.

Firstly, it is important to note that irregular bleeding can occur for a multitude of reasons, including hormonal fluctuations, stress, changes in weight, and even certain medications. In your case, the timing of your sexual activity and the subsequent light bleeding could suggest several possibilities. One common cause of irregular bleeding after sexual intercourse is implantation bleeding, which can occur if a fertilized egg attaches to the uterine lining. This typically happens around a week after conception, which aligns with your timeline. However, given that you mentioned the bleeding was light and of a different color (light pink or brown), it could also indicate old blood being expelled from the uterus.

Another possibility is that the bleeding is related to hormonal changes in your menstrual cycle. The menstrual cycle is regulated by a delicate balance of hormones, and any disruption—whether due to stress, illness, or lifestyle changes—can lead to irregular bleeding. The abdominal discomfort you mentioned could also be linked to these hormonal fluctuations, as they can cause the uterus to contract or react in various ways.

Additionally, conditions such as polycystic ovary syndrome (PCOS), fibroids, or endometriosis can lead to irregular bleeding. These conditions often come with additional symptoms, such as severe pain, heavy bleeding, or prolonged menstrual cycles. If you have a history of any of these conditions or if the irregular bleeding persists, it would be wise to consult with a healthcare provider for further evaluation.

Your healthcare provider's advice to wait until your next expected period is reasonable, especially since you are only a few days away from it. Monitoring your symptoms during this time is crucial. If the bleeding continues or worsens, or if you experience severe pain, it would be advisable to seek medical attention sooner rather than later.
In terms of what to expect, if this is indeed a temporary hormonal imbalance, your cycle may return to normal after your next period. However, if the irregular bleeding persists beyond that, further investigation may be warranted. This could include blood tests to check hormone levels, an ultrasound to examine the reproductive organs, or other diagnostic procedures as deemed necessary by your healthcare provider.

In summary, while irregular bleeding can be alarming, it is often a common occurrence that can be attributed to various factors. Keeping track of your symptoms, maintaining open communication with your healthcare provider, and being aware of any changes in your body will help you navigate this situation more effectively. If you have any further concerns or if your symptoms change, do not hesitate to reach out for medical advice. Your health and well-being are paramount.

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