Fertile window: Your 'fertile window' depends on how regular your menstrual cycles are. Your day of probable ovulation determines your fertile window. The safety of your day 7 will therefore depend on how reliable your menstrual periods are.
Answered 1/11/2016
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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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