Your own menstrual cycle, always. Machines are based on averages and mathematics. We all have unique cycles hence why we never give birth on the guess date either.
♥ BellyBelly's Creator ♥
Your own menstrual cycle, always. Machines are based on averages and mathematics. We all have unique cycles hence why we never give birth on the guess date either.
Kelly xx
Creator of BellyBelly.com.au, doula, writer and mother of three amazing children
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