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Calculation of fertile days - a simple formula
Calculation of fertile days is relatively simple. You can use the uncomplicated equation to find out when your pregnancy is most likely. It should be added, however, that using this formula as a contraceptive method may result in unplanned conception of the child. This tool should be treated as an auxiliary tool, enabling to indicate probably those days when it is worth applying for a child.
- First, find out the length of your menstrual cycle. Observe the duration of menstruation for several months and determine the longest and shortest menstrual cycle.
- Subtract 18 from your shortest cycle - the number you get is probably the first fertile day in your cycle
- Subtract 11 from the length of the longest cycle - the number you get is probably your last fertile day.
- Sex between these two dates gives you the best chance of becoming pregnant.
The best days to get pregnant
The greatest chance of getting pregnant falls on 2-3 days before ovulation and 12-14 hours after it. Appointing the day of ovulation is possible by observing the changing cervical mucus, as well as body temperature measured each day in the morning before getting out of bed.
According to a study published in New England Journal of Medicinemost often, conception occurs on the day of ovulation (39.6% of conception), the day before ovulation (25.6% of conception) and two days before ovulation (11.2%).
Calculation of fertile days - signals sent by your body
The human body is amazing in many ways. Observing and listening to the signals it sends allows you to discover what is currently happening in it, even at the cellular level.
Very specific symptoms are brought by ovulation, which slightly changes body temperature. However, to observe this fact one has to measure the temperature daily. Body temperature in many women just before ovulation it falls slightly, then rises and remains at a higher level until menstruation. If the elevated temperature lasts 21 days, it can be said with almost 100% certainty, without a pregnancy test, that a woman is expecting a baby (body temperature can also raise inflammation in the body).
In addition, it indicates fertile days the presence of slippery, stretchy mucus, which gives a feeling of wetness. When such mucus appears, the chance of conceiving a child is greatest. Based on the appearance and amount of mucus can also be assessed, when ovulation occurred. Studies show that ovulation usually occurs during the so-called period mucous peak when the secretions are the most and the woman has a feeling of wetness.
Fertile days are especially kind for a woman, that's when she has the most energy, feels good about herself, looks great, has smooth skin and healthy shiny hair. Most often, she instinctively seeks to have intercourse, because her libido during this period is clearly greater.
Take a look at our fertile days calculator and find out when it's the best chance of having a baby.