OB/GYN consult: You need to repeat the pregnancy test. If negative, a delayed menstrual period can be caused by several factors. Medications,Obesity,vigorous exercise low body fat, eating disorders, thyroid abnormalities, diabetes mellitus, PCOS & some tumors are responsible. Go to your OB/GYN and read link please. Good luck. https://www.nichd.nih.gov/health/topics/menstruation/conditioninfo/Pages/causes.aspx
Answered 1/6/2016
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A doctor has provided 1 answer
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