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Implantation Bleed?... but negative result

I had a really light bleed 7 days ago and when I read about it, it seemed to be very much like an implantation bleed. I've had 3 pregnancies and have never had IB before...or at least I never noticed it before. I did a pregnancy test today and it was negative. I'm really confused as I thought it would be positive. Can anyone shed some light on what this bleed could be. It only lasted 24hrs.
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replied August 6th, 2014
Welcome to ehealthforum,
Light and short bleeding occurring a few days before expected period time could be implantation bleeding. Sometimes you can keep getting false negative results with urine pregnancy test kits during early pregnancy as the kits are calibrated ones, so unless the hormone levels in urine reach a certain level, they do not show positive results. Urine pregnancy test kits usually start showing positive results after about 18-20 days post-conception (roughly corresponding to about 1 week after your missed/altered periods). The test should always be done on early morning first urine sample to get accurate results (pregnancy hormone HCG is believed to be in highest concentration in this sample, and you should avoid lot of fluid intake and caffeinated beverages in the night before taking the test). If your periods do not start within 10 days of expected period dates, or if you get abnormal periods, or if you miss your periods, or if you suspect chances of pregnancy, consider visiting your doctor/gynecologist at the earliest for thorough examination (to confirm pregnancy related changes/signs in body) and blood/serum HCG level test (to confirm/rule out pregnancy accurately). If pregnancy gets ruled out, further evaluation would be done to look for the cause for the abnormal bleeding and symptoms, and treatment as appropriate (based on examination findings and evaluation results) would be started to help you control the symptoms, regulate your periods and get pregnant. Be in regular monitoring and follow-up with your treating doctor/gynecologist and report any new/abnormal symptoms immediately. Drink plenty of water. Take adequate rest. Maintain healthy diet and lifestyle.
Take care.

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