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A 35-year-old female asked:

I started brown spotting a day before my period was due. 3 days now very light hpt neg. my normal period is heavy never like this why?

2 doctor answers2 doctors weighed in
Dr. Heidi Fowler
Psychiatry 27 years experience
Light period.: The main reason for light periods is a change in hormone levels. Causes for what seems to be a light period can include: implantation bleeding in early pregnancy, thyroid problems, eating disorders, excessive exercise, initial periods for a girl, use of an intrauterine device, oral contraceptives & perimenopause. Can take home pregnancy test if uncertain if this is actual period. Take care.
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Dr. Mark Perloe
Fertility Medicine 47 years experience
Spotting & pregnant: If you have early spotting you may have a normal pregnancy. I like to get two hCG levels two days apart. If you are using vaginal progesterone, that causes bleeding in up to 50% of women. If you have spotting and pain on one side, you could have an ectopic pregnancy and must share this possibility with your physician.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Sep 28, 2016


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