Every month the hormonal changes in the body of a healthy woman of childbearing age, make Mature egg to leave the ovary and enter into the cavity of the fallopian tubes where it awaits fertilization. At this point, the probability of conceiving a child with the maximum high. We should remember that as women planning pregnancy, and women use protection from pregnancy using calendar method.
Ovulation will help to determine the "pupil effect": when viewed in the gynecological chair on the day of ovulation, the doctor may detect the accumulation of transparent mucus in the cervix of the uterus in the region of the cervical canal similar to a human pupil.

Menstrual cycle

To calculate what day ovulation happens, you need to start from the duration of the menstrual cycle. It starts with the first day of menstruation and lasts until the next menstrual period. The cycle duration may vary. Some women with menstrual cycle disorders generally can not accurately determine how many days their cycle. In this case, to correctly calculate the anticipated day of ovulation will be difficult. The average cycle is 28 days. It can be longer and shorter. The norm is a range from 24 to 35 days.


During the menstrual cycle the ovaries produce hormones that stimulate the maturation of eggs. When it reaches full maturity, it leaves the ovary and moves into the fallopian tubes. Ovulation occurs approximately in the middle of the menstrual cycle, for 10-16 days before your next period. That is, if your cycle is 28 days, then ovulation will occur between the 13th and 19th day of the menstrual cycle.
For determining ovulation there are two types of tests. Some of them define the increase in luteinizing hormone in urine, other record ovulation by the fern crystallization of saliva.

The egg is viable for 24 hours after leaving the ovary. If fertilization has occurred, it will die. In addition to theory, there are practical symptoms characterizing the onset of ovulation. Many women feel engorgement and breast pain. May experience spotting. Vaginal secretions change their structure, becoming more viscous and transparent. These days usually increases sexual desire in women the way nature sends a signal to procreation.

May also be present pain visa stomach. These feelings can be quite painful if a woman has adhesions in the pelvis. All these symptoms is called mittelschmerz. Will help to determine the day of ovulation and the schedule of basal temperature. Method involves daily measurement of temperature upon awakening before any physical activity. Temperature can be measured rectally, vaginally and orally. The day of ovulation the temperature generally rises to 0.25-0.5 of the OS.