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Calendar method
The calendar method is part of the methods of the natural family planning, it is carried out alone very unsafely, however. The fertile days of the woman are determined at this method after several months of observation time. As a rule, the ovulation of the woman takes place 14 days before the beginning of the next menstruation. If e.g. the cycle of a woman lasts for 30 days, the ovulation very probably takes place on the 16th day after the menstruation beginning. If a woman has a shorter cycle of e.g. 25 days, the ovulation has to be expected after using the menstruation on the 11th day.
The ovum is only fertilization capable of about 12 to 18 hours after the ovulation, however, the spermiums survive in the environment favorable for them, three, until five days. So the pair doesn't have to do without sexual intercourse or to go back to other prophylaxis methods only on the day of the ovulation, but also the days before.
The Pearl index of the calendar method is between 15 and 35. is rather this method to recommend to calculate days for the fertile one at child wish.
Application
Woman notes down a year to the next period for a long time the days of a menstruation. Sexual intercourse may take place only on the barren days. On the fertile days no-one or only protected sexual intercourse can take place (e.g. with condoms or diaphragm). The application of this method presupposes a stable cycle.
Advantages
This method doesn't load the body.
Disadvantages
This method is very unsafely, there depending on diseases and medicines the length of the cycles are and in addition depending on stress and feeling fluctuations vary.
The method isn't appropriate for women with an irregular diurnal rhythm.
The calendar method doesn't offer protection against sexually transmissible diseases.
These informations may be considered a substitute for a piece of medical advice in no case. The content of health-illness.com doesn't can and may be put into any case to make diagnoses or carry out self medical treatment independently.
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