Is it an FDA: Approved test? All fda approved tests are quit accurate. You may wish to repeat the test in 3-4 days. Use first morning urine and follow the instructions in the kit carefully. There are a number of causes of menstrual irregularities and you may wish to consult this site for more info. http://www.nichd.nih.gov/health/topics/menstruation/conditioninfo/pages/causes.aspx.
Answered 1/29/2014
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