Normal Cycles: A cycle length (from the first day of one period to the first day of the next period) of 21 to 35 days is considered normal. Since calendar months are 30-31 days, it is common to have your period on a different calendar day each month, and sometimes 2 times in a month.
Answered 11/2/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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