Consideration of the likelihood of pregnancy care of women for two reasons: the desire to have children, or vice versa.
Just a couple of decades ago, many have resorted to so-called "calendar method" of contraception to prevent pregnancy or early pregnancy. The results of recent research suggests that one should not trust this method. For more recent data, in women aged 25 - 35 years with regular menstrual periods may occur so-called "flash" of ovulation, which increases the probability of conception in any day of the menstrual cycle and even during menstruation itself.
The most recent data, only a third of the fairer sex have a clear schedule of conceptions from the tenth to the seventeenth day of the menstrual cycle.The probability of getting pregnant in this interval is actually in the first place depends on how stable the menstrual cycle - an indicator that points to the health system of reproduction of any woman.
Usually the most stable loop is observed in the fairer sex at the age of 25 to 35 years. A few years after menarche, and age prior to menopause were more likely to occur sporadic ovulation, and often gets off the menstrual cycle. That is, there is the possibility of pregnancy on any day of the cycle.
According to some sources of two percent of women are most likely to become pregnant in the fourth day of the cycle, with seventeen percent of the seventh day. And seventy percent of women are the greatest possibility of conception until the tenth and seventeenth day after the cycle. The women, the cycle which is stable, there is the probability of conception, which is equal to one - six per cent even in himself the day of the menstruation, and during bleeding.
In addition, it is believed that the stability of the cycle and ovulation are inseparable from peace and normal emotional background. But any stress and even change the usual order, may affect the stability of the cycle.
Back in the forties of the twentieth century in Germany was published labor gynecologist who recorded in his own practice twenty-five patients who became pregnant from a single sexual act between the second and the thirtieth day of the cycle.This should take into account several factors affecting the ability to become pregnant:
The probability of conception is reduced if:
Immediately after copulation were used methods of emergency contraception, menstruation began at the end of the cycle, three - four weeks after mating rapid test showed the absence of pregnancy.
The possibility of conception is increased if:
After copulation in the presence of a missed period to four days or longer, as well as other signs of pregnancy.
Thus, we must conclude that if pregnant is highly undesirable, the calendar method is not reliable enough. To be absolutely sure, you should use another method of contraception (condom, hormonal pills). In addition, we must remember that during intercourse without condom is the possibility of transferring infections (sexually transmitted diseases, AIDS, hepatitis, herpes). In addition, if you wish to become pregnant should also not rely on the calendar method and to copulation only in "suitable days." In such cases, the most effective are regular intercourse without using contraception at all days of the cycle, but menstruation with a frequency of once every two days.
Just a couple of decades ago, many have resorted to so-called "calendar method" of contraception to prevent pregnancy or early pregnancy. The results of recent research suggests that one should not trust this method. For more recent data, in women aged 25 - 35 years with regular menstrual periods may occur so-called "flash" of ovulation, which increases the probability of conception in any day of the menstrual cycle and even during menstruation itself.
The most recent data, only a third of the fairer sex have a clear schedule of conceptions from the tenth to the seventeenth day of the menstrual cycle.The probability of getting pregnant in this interval is actually in the first place depends on how stable the menstrual cycle - an indicator that points to the health system of reproduction of any woman.
Usually the most stable loop is observed in the fairer sex at the age of 25 to 35 years. A few years after menarche, and age prior to menopause were more likely to occur sporadic ovulation, and often gets off the menstrual cycle. That is, there is the possibility of pregnancy on any day of the cycle.
According to some sources of two percent of women are most likely to become pregnant in the fourth day of the cycle, with seventeen percent of the seventh day. And seventy percent of women are the greatest possibility of conception until the tenth and seventeenth day after the cycle. The women, the cycle which is stable, there is the probability of conception, which is equal to one - six per cent even in himself the day of the menstruation, and during bleeding.
In addition, it is believed that the stability of the cycle and ovulation are inseparable from peace and normal emotional background. But any stress and even change the usual order, may affect the stability of the cycle.
Back in the forties of the twentieth century in Germany was published labor gynecologist who recorded in his own practice twenty-five patients who became pregnant from a single sexual act between the second and the thirtieth day of the cycle.This should take into account several factors affecting the ability to become pregnant:
The probability of conception is reduced if:
Immediately after copulation were used methods of emergency contraception, menstruation began at the end of the cycle, three - four weeks after mating rapid test showed the absence of pregnancy.
The possibility of conception is increased if:
After copulation in the presence of a missed period to four days or longer, as well as other signs of pregnancy.
Thus, we must conclude that if pregnant is highly undesirable, the calendar method is not reliable enough. To be absolutely sure, you should use another method of contraception (condom, hormonal pills). In addition, we must remember that during intercourse without condom is the possibility of transferring infections (sexually transmitted diseases, AIDS, hepatitis, herpes). In addition, if you wish to become pregnant should also not rely on the calendar method and to copulation only in "suitable days." In such cases, the most effective are regular intercourse without using contraception at all days of the cycle, but menstruation with a frequency of once every two days.
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