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Few women are known to experience period like bleeding during expected period time during first few months of pregnancy which is also known as Decidual bleeding. If you are pregnant, it is possible that you are having decidual bleeding. If the symptoms suggestive of pregnancy are persistent, or if you suspect chances of pregnancy, you should consider visiting your doctor/gynecologist 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 is confirmed, an ultrasound scan done will also help to know the gestational age and viability, and serial HCG levels showing doubling up of the hormone levels in 48-72 hours will confirm that pregnancy is going on smoothly. Visit your doctor/gynecologist for further evaluation and assistance.
Take care.