We need to know: your usual cycle length to try answering this. Are your cycles regular and close to 28 days? If so, then the 28th is MOST likely but the 22nd may be possible too; if cycles are not regular but are much shorter than 28 days one of the earlier days is possible. Doctors always need to know your usual menstrual history to try answering this question, hope this helps!
Answered 9/17/2014
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A doctor has provided 1 answer
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