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Period calculator

Use WomanLog's Period calculator to predict the next period days and to understand your menstrual cycle.

First day of your last menstrual period
How long did it last (days)?
Your average cycle length (days)
How long did it last (days)?
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Your average cycle length (days)
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The reasons behind our sometimes surreal, vivid, and emotional dreams have long been a mystery. Many people who menstruate report having odd, striking dreams right before menstruation. The reasons behind this phenomenon are hidden in our hormones.
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