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Vaginal bleeding refers to bleeding in females that are either a physiologic response during the non-conceptional menstrual cycle or caused by hormonal or organic problems of the reproductive system. Vaginal bleeding may occur at any age, but always needs investigation when encountered in female children or postmenopausal women. Vaginal bleeding during pregnancy may indicate a possible pregnancy complication that needs to be medically addressed.
Additional recommended knowledge
Blood loss per vaginam (Latin: from the vagina) typically arises from the lining of the uterus (endometrium), but may arise from uterine or cervical lesions, the vagina, and rarely from the Fallopian tube. During pregnancy it is usually but not always related to the pregnancy itself. Rarely, the blood may actually arise from the urinary tract (hematuria), although the vast majority of women can identify the difference. It can also be a sign of vaginal cancer.
Bleeding in Children
Bleeding before the expected time of menarche could be a sign of precocious puberty. Other possible causes include the presence of a foreign body in the vagina, molestation, vaginal infection (vaginitis), and rarely, a tumor.
During pregnancy: mild to moderate blood loss may be due to rupture of a small vein on the outer rim of the placenta. It can also herald a miscarriage or ectopic pregnancy, which is why urgent ultrasound is required to separate the two causes. Bleeding in early pregnancy may be a sign of a threatened or incomplete miscarriage.
In the second or third trimester a placenta previa (a placenta partially or completely overlying the cervix) may bleed quite severely. Placental abruption is often associated with uterine bleeding as well as uterine pain.
Any vaginal bleeding after the menopause needs to be medically assessed.
The diagnosis can often be made on the basis of the bleeding history, physical examination, and other medical tests as appropriate. Typically a pregnancy test and additional hormonal tests, a Pap smear, a transvaginal ultrasound are needed. If bleeding was excessive or prolonged, a CBC may be useful to check for anemia. Abnormal endometrium may have to be investigated by a hysteroscopy with a biopsy or a dilation and curettage.
The treatment will be directed at the cause. Hormonal bleeding problems during the reproductive years, if bothersome to the woman, are frequently managed by use of combined oral contraceptive pills.
A possible complication from protracted vaginal blood loss is iron deficiency anemia, which can develop insidiously. Eliminating the cause will resolve the anemia, although some women require iron supplements or blood transfusions to improve the anemia.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Vaginal_bleeding". A list of authors is available in Wikipedia.|