Variable: Probably the best way would be to do an ovulation predictor kit, remembering that you will ovulate the day after your ovulation kit shows an lh surge. The second half of the cycle (after ovulation) is called the luteal phase and in most women is fixed at 12-14 days. Count forward 12-14 days from day after your lh surge and that should be your period time.
Answered 5/23/2013
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