CALENDAR CONTRACEPTIVE METHOD:
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The calendar contraceptive method is a natural method of birth control.
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It is also called as Rhythm method.
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It is based on the abstinence from sexual intercourse during the period of ovulation including few days prior to and after ovulation, i.e. “The DANGER PERIOD”.
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The menstrual cycle is of 28 days.
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Ovulation takes place on the 14 day or 3-4 days prior or after.
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Ovum can remain active in the fallopian tube for 2 days.
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Sperms too can remain active for 2 days in the vaginal tract.
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The first four days of the menstrual cycle is the bleeding phase or menstrual phase.
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5th day to 9th day (5 days) and 21st to 28th day (8 days) are considered to be “The SAFEPERIOD”.
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10th day to 20th day are considered to the “The DANGER PERIOD”. During which conception is likely to take place.
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The calendar contraceptive method is not a reliable method since the time of ovulation is uncertain and is likely to change.