Diseases
    Medically Reviewed

    Excessive Menstrual Bleeding

    Overview

    Excessive menstrual bleeding, also known as menorrhagia, refers to abnormally heavy or prolonged menstrual periods. It is one of the most common gynecological complaints and can significantly affect a woman's daily life, causing fatigue, anemia, and disruption of normal activities. While menstrual flow varies among women, bleeding is considered excessive if it involves soaking through pads or tampons every hour for several consecutive hours, or if periods last longer than seven days. Prompt diagnosis and treatment can help manage symptoms and improve quality of life.

    Causes

    Many factors can contribute to excessive menstrual bleeding, ranging from hormonal imbalances to underlying medical conditions. Common causes include:

    • Hormonal imbalance: Irregularities in estrogen and progesterone levels can cause the uterine lining to build up excessively and shed in heavy amounts.
    • Uterine fibroids: Noncancerous growths in the uterus can lead to heavier or prolonged bleeding.
    • Uterine polyps: Small benign growths in the uterine lining may contribute to heavy periods.
    • Adenomyosis: A condition where endometrial tissue grows into the uterine muscle, often resulting in painful and heavy periods.
    • Blood clotting disorders: Conditions like von Willebrand disease can cause abnormal menstrual bleeding.
    • Intrauterine devices (IUDs): Non-hormonal IUDs, especially copper-based, can sometimes increase menstrual flow.
    • Medications: Blood thinners and certain anti-inflammatory drugs may contribute to heavier bleeding.
    • Endometrial cancer: Rarely, excessive bleeding may be a sign of uterine or endometrial cancer, especially in postmenopausal women.

    Symptoms

    The primary symptom of excessive menstrual bleeding is an unusually heavy or prolonged menstrual flow. Other associated symptoms include:

    • Soaking through pads or tampons hourly for several hours in a row.
    • Needing to change menstrual products during the night.
    • Periods lasting more than seven days.
    • Passing large blood clots during menstruation.
    • Severe menstrual cramps (dysmenorrhea).
    • Fatigue or shortness of breath due to anemia from blood loss.
    • Difficulty maintaining normal daily activities during periods.

    Diagnosis

    To determine the cause of excessive menstrual bleeding, doctors conduct a thorough evaluation, which may include:

    • Medical history: Assessment of menstrual patterns, family history, and associated symptoms.
    • Physical examination: Including a pelvic exam to check for uterine abnormalities.
    • Blood tests: To check for anemia, thyroid function, and clotting disorders.
    • Pap smear: To screen for cervical abnormalities or cancer.
    • Ultrasound: Imaging of the uterus and ovaries to identify fibroids, polyps, or other structural issues.
    • Endometrial biopsy: Sampling uterine tissue to rule out endometrial cancer or hyperplasia.
    • Hysteroscopy: A procedure where a thin tube with a camera is inserted into the uterus for direct visualization.

    Treatment

    Treatment for excessive menstrual bleeding depends on the underlying cause, severity of symptoms, and the woman's reproductive goals. Options include:

    • Medications:
      • Hormonal treatments like oral contraceptives, progestin therapy, or hormonal IUDs to regulate cycles and reduce flow.
      • Tranexamic acid to reduce bleeding during periods.
      • Nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen to reduce menstrual blood loss and relieve pain.
      • Iron supplements to manage anemia.
    • Minimally invasive procedures:
      • Endometrial ablation to destroy the uterine lining and reduce menstrual flow.
      • Hysteroscopic removal of polyps or fibroids.
    • Surgical options:
      • Myomectomy to remove uterine fibroids while preserving the uterus.
      • Hysterectomy (removal of the uterus) for severe cases or when other treatments fail and fertility is no longer desired.
    • Lifestyle management: Weight management, stress reduction, and exercise may help regulate hormones and reduce symptoms.

    Prognosis

    The outlook for excessive menstrual bleeding is generally good with proper treatment:

    • High success with medical treatment: Many women experience significant improvement with hormonal therapy or NSAIDs.
    • Minimally invasive procedures: Options like endometrial ablation provide effective relief without major surgery.
    • Surgical success: Myomectomy or hysterectomy offers a permanent solution in cases of structural causes.
    • Chronic management: Some women with underlying conditions may require ongoing monitoring and treatment.
    • Quality of life: Most women can achieve symptom control, reduced anemia, and improved overall well-being with appropriate care.

    Timely diagnosis and personalized treatment can significantly reduce the burden of excessive menstrual bleeding and restore normal daily functioning.