Sudden Decrease in Menstrual Flow: Possible Causes and Concerns

Menstrual flow suddenly decreases significantly?

Hello, Doctor.
I underwent a hysteroscopy on March 30 and a hysterosalpingography on March 31, which confirmed that there were no new polyps in the uterus and that my fallopian tubes are patent.
However, during this menstrual period, I have been experiencing significant abdominal pain, resembling bloating, along with a fever.
Additionally, my menstrual flow has been remarkably light.
I have adenomyosis, and my menstrual flow has always been heavy, but now, on the fourth day, aside from some flow yesterday, it has been so light that I don't even need to change my sanitary pad.
The color of the menstrual blood is also quite dark.
I would like to ask what might be the issue.
Thank you, Doctor!

gm, 30~39 year old female. Ask Date: 2017/04/16

Dr. Cao Guotao reply Obstetrics and Gynecology

Hello, I apologize for not being able to provide a diagnosis based on your description.
Bloating pain accompanied by fever could indicate inflammation.
If you continue to experience discomfort, it is advisable to consult a gynecologist.
Wishing you good health.

Reply Date: 2017/04/16

More Info

Sudden changes in menstrual flow can be concerning, especially when accompanied by other symptoms such as abdominal pain and fever. Based on your description, it seems you are experiencing a significant decrease in menstrual flow, which is unusual for you given your history of adenomyosis, a condition that often leads to heavier menstrual bleeding.
There are several potential causes for a sudden decrease in menstrual flow, particularly in the context of your recent medical procedures. Here are some possibilities:
1. Hormonal Changes: The menstrual cycle is regulated by hormones, and any disruption in hormonal balance can lead to changes in menstrual flow. The stress of undergoing medical procedures, such as a hysteroscopy and hysterosalpingography, can also affect hormone levels and subsequently impact your menstrual cycle.

2. Infection or Inflammation: The presence of fever and abdominal pain raises the possibility of an infection, such as endometritis, which is an infection of the uterine lining. This condition can occur after procedures involving the uterus and may lead to changes in menstrual flow, including a decrease in bleeding.

3. Uterine Scarring or Adhesions: If there was any trauma to the uterine lining during the procedures, it could lead to scarring or adhesions, which might affect menstrual flow. This is sometimes referred to as Asherman's syndrome, where scar tissue forms in the uterus, leading to lighter periods or even amenorrhea (absence of menstruation).

4. Pregnancy: Although it may seem unlikely given your history, any significant change in menstrual flow should prompt consideration of the possibility of pregnancy, especially if there is any chance of conception. A pregnancy test would be advisable if there is any doubt.

5. Adenomyosis Flare-Up: While adenomyosis typically causes heavy bleeding, it can also lead to irregularities in menstrual flow. The pain you are experiencing could be related to this condition, and it may be worth discussing with your healthcare provider.

Given your symptoms of abdominal pain, fever, and the drastic change in menstrual flow, it is crucial to seek medical attention promptly. A healthcare provider may recommend a pelvic examination, ultrasound, or other imaging studies to assess for any complications such as infection or structural changes in the uterus.
In summary, while there are several potential explanations for your symptoms, the combination of fever, abdominal pain, and decreased menstrual flow warrants further evaluation. It is essential to address these symptoms with your healthcare provider to ensure appropriate diagnosis and treatment. Please do not hesitate to reach out for medical assistance, as timely intervention can be vital in managing any underlying issues effectively.

Similar Q&A

Sudden Decrease in Menstrual Flow: Causes and When to Seek Help

Doctor, I would like to inquire about the sudden decrease in my menstrual flow. My menstrual cycle is usually about every 21-22 days, and the flow is normal. Three months ago, I had a Pap smear and ultrasound, both of which were normal (with a uterine fibroid less than 2 cm). In ...

Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, let's continue to observe. If there is still no improvement, I recommend seeing a gynecologist. Wishing you good health.

Understanding Decreased Menstrual Flow: Causes and Fertility Impact

I have a regular menstrual cycle every month, but over the past six months, I've noticed a gradual decrease in menstrual flow, and the duration of my period has also shortened to about 3-4 days. Additionally, I am experiencing an increase in acne. Could this be due to elevat...

Dr. Chen Changfu reply Obstetrics and Gynecology
A gradual decrease in menstrual flow may occur after the onset of certain gynecological conditions. Additionally, the use of contraceptive pills can also lead to a reduction in menstrual volume. Hormonal imbalances may also affect menstrual flow, causing it to diminish. It is adv...

Understanding Decreased Menstrual Flow: Causes and Concerns

Hello, doctor: For the past two months, my menstrual flow has significantly decreased. Previously, my flow was normal, but now even during the heaviest days, it has become so minimal that it seems almost symbolic, leaving just a little red on the sanitary pad. Additionally, I hav...

Dr. Zhan Deqin reply Obstetrics and Gynecology
There are many reasons for a decrease in menstruation, and if it is short-term, it is usually not a major concern. 1. Have you been taking birth control pills? Have you been taking pain relievers? 2. Have you been taking weight loss pills? Have you used other methods to lose weig...

Understanding Irregular Menstrual Flow: Causes and Concerns

During menstruation, the flow typically decreases gradually after the third day. However, there are times when there may be a sudden halt in bleeding for half a day, followed by a resumption of flow. I would like to know what this issue might be.

Dr. Wu Xianghui reply Obstetrics and Gynecology
Abnormal bleeding and irregular menstrual cycles can have many underlying causes. It is recommended to consult a specialist in obstetrics and gynecology for evaluation.