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Vaginal bleeding between periods

Bleeding between periods; Intermenstrual bleeding; Spotting; Metrorrhagia

This article discusses vaginal bleeding that occurs between a woman's monthly menstrual periods. Such bleeding may be called "intermenstrual bleeding."

Related topics include:

Considerations

Normal menstrual flow lasts about 5 days. It produces a total blood loss of 30 to 80 mL (about 2 to 8 tablespoons), and occurs normally every 21 to 35 days.

Vaginal bleeding that occurs between periods or after menopause can be caused by various problems. Most are benign and can be easily treated. Sometimes, vaginal bleeding may be due to cancer or pre-cancer. Therefore, any unusual bleeding should be evaluated right away. The risk for cancer increases to about 10% in women with postmenopausal bleeding.

Make sure that bleeding is coming from the vagina and is not from the rectum or the urine. Inserting a tampon into the vagina will confirm the vagina, cervix, or uterus as the source of bleeding.

A careful exam by your health care provider is most often the best way to find the source of the bleeding. This exam can be done even while you are bleeding.

Causes

Causes may include:

  • Uterine fibroids or cervical or uterine polyps
  • Changes in hormone levels
  • Inflammation or infection of the cervix (cervicitis) or uterus (endometritis)
  • Injury or disease of the vaginal opening (caused by intercourse, trauma, infection, polyp, genital warts, ulcer, or varicose veins)
  • IUD use (may cause occasional spotting)
  • Ectopic pregnancy
  • Miscarriage
  • Other pregnancy complications
  • Vaginal dryness due to lack of estrogen after menopause
  • Stress
  • Using hormonal birth control irregularly (such as stopping and starting or skipping birth control pills, patches, or estrogen rings) 
  • Underactive thyroid (low thyroid function)
  • Use of blood thinners (anticoagulants)
  • Cancer or pre-cancer of the cervix, uterus, or (very rarely) fallopian tube
  • Pelvic exam, cervical biopsy, endometrial biopsy, or other procedures

Home Care

Contact a provider right away if bleeding is very heavy.

Keep track of the number of pads or tampons used over time so that the amount of bleeding can be determined. Uterine blood loss can be estimated by keeping track of how frequently a pad or tampon is soaked and how often one needs to be changed.

If possible, aspirin should be avoided, as it may prolong bleeding. However, NSAIDS such as ibuprofen can be used to minimize bleeding and cramping.

When to Contact a Medical Professional

Call your provider if:

  • You are pregnant.
  • There is any unexplained bleeding between periods.
  • There is any bleeding after menopause.
  • There is heavy bleeding with periods.
  • Abnormal bleeding is accompanied by other symptoms, such as pelvic pain, fatigue, dizziness.

For more information on testing, diagnostic, surgical and treatment services available at Huron Regional Medical Center, click here. The medical staff at HRMC includes full-time primary and specialty physicians to care for your whole family, as well as visiting specialists who see patients in HRMC'S Specialty Clinic, HRMC Physicians Clinic and other local clinics. Learn more by visiting our online Find-a-Doc directory.

What to Expect at Your Office Visit

The provider will perform a physical exam and ask questions about your medical history. The physical exam will include a pelvic exam.

Questions about the bleeding may include:

  • When does the bleeding occur and how long does it last?
  • How heavy is the bleeding?
  • Do you have cramps too?
  • Are there things that make the bleeding worse?
  • Is there anything that prevents it or relieves it?
  • Do you have any other symptoms such as abdominal pain, bruising, pain when urinating, or blood in urine or stools?

Tests that may be done include:

  • Blood tests to check thyroid and ovarian function
  • Cervical cultures to check for a sexually transmitted infection
  • Colposcopy and cervical biopsy
  • Endometrial (uterine) biopsy
  • Pap smear
  • Pelvic ultrasound
  • Hysterosonogram
  • Hysteroscopy
  • Pregnancy test

Most causes of intermenstrual bleeding are easily treatable. The problem can most often be diagnosed without too much discomfort. Therefore, it is important not to delay in having this problem evaluated by your provider.

References

Bulun SE. Physiology and pathology of the female reproductive axis. In: Melmed S, Polonsky KS, Larsen PR, Kronenberg HM, eds. Williams Textbook of Endocrinology. 13th ed. Philadelphia, PA: Elsevier; 2016:chap 17.

Ellenson LH, Pirog EC. The female genital tract. In: Kumar V, Abbas AK, Aster JC, eds. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Philadelphia, PA: Elsevier Saunders; 2015:chap 22.

Ryntz T, Lobo RA. Abnormal uterine bleeding: etiology and management of acute and chronic excessive bleeding. In: Lobo RA, Gershenson DM, Lentz GM, Valea FA, eds. Comprehensive Gynecology. 7th ed. Philadelphia, PA: Elsevier; 2017:chap 26.

  • Female reproductive anatomy

    Female reproductive anatomy - illustration

    External structures of the female reproductive anatomy include the labium minora and majora, the vagina and the clitoris. Internal structures include the uterus, ovaries, and cervix.

    Female reproductive anatomy

    illustration

  • Bleeding between periods

    Bleeding between periods - illustration

    Normal menstrual flow lasts about 5 days and produces a total blood loss of 60 to 250 mL and occurs every 28 days. There are several causes of abnormal vaginal bleeding and a careful exam by a health care provider is frequently the best way to sort out the source of the bleeding.

    Bleeding between periods

    illustration

  • Uterus

    Uterus - illustration

    The uterus is a hollow muscular organ located in the female pelvis between the bladder and rectum. The ovaries produce the eggs that travel through the fallopian tubes. Once the egg has left the ovary it can be fertilized and implant itself in the lining of the uterus. The main function of the uterus is to nourish the developing fetus prior to birth.

    Uterus

    illustration

    • Female reproductive anatomy

      Female reproductive anatomy - illustration

      External structures of the female reproductive anatomy include the labium minora and majora, the vagina and the clitoris. Internal structures include the uterus, ovaries, and cervix.

      Female reproductive anatomy

      illustration

    • Bleeding between periods

      Bleeding between periods - illustration

      Normal menstrual flow lasts about 5 days and produces a total blood loss of 60 to 250 mL and occurs every 28 days. There are several causes of abnormal vaginal bleeding and a careful exam by a health care provider is frequently the best way to sort out the source of the bleeding.

      Bleeding between periods

      illustration

    • Uterus

      Uterus - illustration

      The uterus is a hollow muscular organ located in the female pelvis between the bladder and rectum. The ovaries produce the eggs that travel through the fallopian tubes. Once the egg has left the ovary it can be fertilized and implant itself in the lining of the uterus. The main function of the uterus is to nourish the developing fetus prior to birth.

      Uterus

      illustration

    A Closer Look

     

    Self Care

     

     

    Review Date: 3/28/2019

    Reviewed By: John D. Jacobson, MD, Professor of Obstetrics and Gynecology, Loma Linda University School of Medicine, Loma Linda Center for Fertility, Loma Linda, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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