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what causes brown blood before period starts

A 28-year-old female asked:
Dr. Jane Van Dis
17 years experience Obstetrics and Gynecology
Unstable lining: When this happens it's solely due to our hormones. And uterine lining may be unstable and thus having this spotting before your period and then the d ... Read More
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A 35-year-old female asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Brown d/c is: usually older blood being cleaned from the uterus. You could have an imbalance of estrogen / progesterone with some break through bleeding.
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A 22-year-old female asked:
Dr. Jeff Livingston
21 years experience Obstetrics and Gynecology
Many options : Irregular periods are one of the most common problems obgyns treat. If this is one time problem it usually resolves on its own. If this is a recurring ... Read More
A 41-year-old male asked:
Dr. Janice Alexander
41 years experience Obstetrics and Gynecology
Fibroid,cyst,pg?: Problems that can cause dark bleeding prior to menses include a fibroid of the uterus, a cyst on an ovary , inflammation of the cervix with or without ... Read More
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A 31-year-old female asked:
Dr. Jane Van Dis
17 years experience Obstetrics and Gynecology
Hormones : Hormones are the most likely cause for spotting. Although a polyp or fibroid in uterus could cause as well. See if it continues. If continues see a ... Read More
A 16-year-old female asked:
Dr. Wayne Ingram
Specializes in Obstetrics and Gynecology
Period dribbler: Sometimes the lining of the womb comes off irregularly producing the kind of period that you have had.
A 18-year-old female asked:
Dr. Gurmukh Singh
48 years experience Pathology
Normal: Some of the blood gets altered due to admixture with the lining of the uterus that is shed during menstruation. It is a normal thing. If you do not wi ... Read More
A 42-year-old member asked:
Dr. Frances Ilozue
24 years experience Family Medicine
Mid-cycle spotting?: May be a sign that something isn’t quite right, which may warrant a call or a visit with your gynecologist. Could be associated with any of the follow ... Read More
A female asked:
Dr. Lori Mcneal
33 years experience Obstetrics and Gynecology
Brown blood: it sounds like you are having some breakthrough bleeding which is especially common with birth control pills. Some breakthrough bleeding can occur in ... Read More
A 32-year-old male asked:
Dr. Hunter Handsfield
52 years experience Infectious Disease
Vaginal bleeding: There are too many possible causes of abnormal vaginal bleeding to even guess at the cause. She needs to see her doctor.
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