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  2. Calendar-based contraceptive methods - Wikipedia

    en.wikipedia.org/wiki/Calendar-based...

    Calendar-based methods are various methods of estimating a woman 's likelihood of fertility, based on a record of the length of previous menstrual cycles. Various methods are known as the Knaus–Ogino method and the rhythm method. The standard days method is also considered a calendar-based method, because when using it, a woman tracks the ...

  3. Chinese calendar - Wikipedia

    en.wikipedia.org/wiki/Chinese_calendar

    The traditional Chinese calendar (traditional Chinese: 農曆; simplified Chinese: 农历; lit. 'agricultural calendar'; informally traditional Chinese: 陰曆; simplified Chinese: 阴历; lit. 'lunar calendar') is a lunisolar calendar, combining the solar, lunar, and other cycles for various social and agricultural purposes. More recently, in ...

  4. Billings ovulation method - Wikipedia

    en.wikipedia.org/wiki/Billings_ovulation_method

    The possibility of pregnancy from sperm survival longer than five days has been compared to "the chances of winning a huge lottery." Menstruation will occur about 2 weeks after ovulation. A ten-year study of 45,280 subfertile couples in China found that 32.1% of women were able to achieve pregnancy and live birth through the use of Billings.

  5. Childbirth in China - Wikipedia

    en.wikipedia.org/wiki/Childbirth_in_China

    Childbirth in China. Childbirth in China is influenced by traditional Chinese medicine, state control of reproductive health and birthing, and the adoption of modern biomedical practices. There are an estimated 16 million births annually in mainland China. [1] As of 2022, Chinese state media reported the country's total fertility rate to be 1. ...

  6. Fertility awareness - Wikipedia

    en.wikipedia.org/wiki/Fertility_awareness

    Fertility awareness ( FA) refers to a set of practices used to determine the fertile and infertile phases of a woman's menstrual cycle. Fertility awareness methods may be used to avoid pregnancy, to achieve pregnancy, or as a way to monitor gynecological health. Methods of identifying infertile days have been known since antiquity, but ...

  7. Chinese woman gives birth after claiming 17-month-long pregnancy

    www.aol.com/article/2016/08/22/chinese-woman...

    Chinese woman gives birth after claiming 17-month-long pregnancy. A woman from Hunan, China, was pregnant for a record-breaking 17 months, according to People's Daily Online; she reportedly got ...

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