Unpleasant Odors and Heavy Menstrual Flow in Teens

Foul odor

During my menstrual period, I feel a lot of pain as if the blood is being held back, and then suddenly it all flows out at once, and it's a large amount that spreads everywhere! The blood is very bright red...
When it flows out in large quantities, there is also a foul odor and a reddish-brown color...
I have never had sexual intercourse, and I maintain good hygiene...
I am 17 years old.
What could this symptom be? Is it serious?

A Mei, 10~19 year old female. Ask Date: 2016/05/27

Dr. Lin Manying reply Obstetrics and Gynecology

If the menstrual flow is not excessive (less than 8 pads per day, without the presence of large blood clots), and the duration of bleeding is between 3 to 7 days, it is considered to be within the normal range.

Reply Date: 2016/05/27

More Info

Understanding the symptoms you are experiencing during your menstrual cycle is crucial, especially when they involve heavy bleeding and unpleasant odors. The symptoms you describe—sudden heavy menstrual flow, bright red blood, and a foul odor—can be concerning and warrant further investigation.

Firstly, it is important to understand that menstruation involves the shedding of the uterine lining, which is composed of blood, tissue, and mucus. The normal menstrual flow can vary significantly among individuals, but heavy menstrual bleeding (known as menorrhagia) is characterized by soaking through one or more sanitary pads or tampons every hour for several consecutive hours. The sudden release of a large amount of blood, as you described, can be alarming and may indicate a few potential issues.

The presence of a foul odor accompanying your menstrual flow can be indicative of an infection, such as bacterial vaginosis or a sexually transmitted infection (STI), even if you have not engaged in sexual intercourse. Infections can lead to changes in the vaginal flora, resulting in an unpleasant smell. Additionally, retained menstrual blood can also develop an odor if it is not expelled from the body in a timely manner, particularly if there is a significant amount of tissue or blood that has been retained.

The color of menstrual blood can vary throughout the cycle. Bright red blood typically indicates fresh blood, which is common at the beginning of your period. However, if the blood appears dark red or brown, it may indicate older blood that has taken longer to exit the uterus. The combination of bright red blood and a foul odor, especially if it is accompanied by pain, could suggest the presence of an underlying condition such as endometriosis, uterine fibroids, or even polyps.

Pain during menstruation, particularly if it feels like the blood is being "held back," can be a symptom of dysmenorrhea, which is common among teenagers. However, if the pain is severe and accompanied by heavy bleeding and odor, it is essential to consult a healthcare provider. They may perform a pelvic examination, ultrasound, or other diagnostic tests to determine the cause of your symptoms.

In summary, the symptoms you are experiencing—heavy menstrual flow, bright red blood, and an unpleasant odor—should not be ignored. While they may be related to normal menstrual variations, they could also indicate an underlying issue that requires medical attention. It is advisable to schedule an appointment with a healthcare provider, such as a gynecologist, who can provide a thorough evaluation and appropriate management. Early intervention can help address any potential health concerns and improve your overall menstrual health.

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