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    calendar method

    calendar method - 365bet中国官方网站 definition and meaning for word calendar method

    Definition
    (noun) natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle)

  • Word used in video below:
    text: there's a big selling calendar, eh?
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