Many factors: Pregnancy may be the most well known cause to miss a period, but it usually due to not ovulating for a cycle. This can be caused by many things, including physical and emotional stressses, hormonal changes, medical conditions , medication side effects, etc. It is usually not a sign of any serious problem, but if your have other concerns, speak with your physician.
Answered 2/16/2013
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A doctor has provided 1 answer
2 doctors weighed in across 2 answers
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