Sex hormones control tightly female ability to conceive the child. And whether the woman is capable to become pregnant after she had an ovulation, it is possible to understand only when it becomes clear what is an ovulation when and why it comes.
Any woman has a menstrual cycle of a certain duration, beginning from 21 days to 38 days. If its cycle regular, stable, then the woman is healthy regardless of its duration. The cycle is a process when the ovum ripens, leaves at first in pipes and if there it was not impregnated, then then gets into a uterus where perishes. After that after a while periods, that is updating of a layer of endometrium begin.
The ovum is short-lived, the term of her life is from 12 to 48 hours, and it just that time when pregnancy can occur. At this particular time the ovum is in fallopian pipes. This period is approximately the middle of a cycle therefore its general duration can be halved safely, and it will be those days when pregnancy is most probable. If the cycle, for example, 26 days, then from 12 to 14 days occurs an ovulation, therefore, there can be also a conception.
In the last 12 hours of the life the ovum is almost impractical.
If to consider life expectancy of an ovum, then it becomes clear that pregnancy occurs in the next 1-2 days after there was an ovulation. In day of an ovulation the chance to become pregnant is much above, than in other days. If couple waits for this moment, then it should define exact day. It is possible to make it by means of several simple receptions, one of them – determination of basal temperature. Test for an ovulation too quite exact. By the way, this day the nature of allocations from a vagina changes therefore it is possible to determine an exact ovulation and by them. It is possible to count convenient time for approach of pregnancy according to the calendar of monthly. It is not too exact, but covers everything possible days. At the same time the chance of approach of pregnancy can be increased, having taken into account that date of an ovulation can change. It can move for 2-3 days both for earlier term, and on later. Thus, it is necessary to cover about a week. The best time to conceive the kid – the first 12 hours after the ovum left in a uterine tube. There she waits for a meeting with a spermatozoon. Later pregnancy occurs too, but if it happened in the last hours ovum lives, then it already with a lack of nutrients that can be an obstacle to attachment of an oosperm to a uterine wall. That the chance of conception increased, the unprotected sexual contact needs to be begun approximately one week prior to the planned ovulation and to do it regularly, each two days. Spermatozoa live longer than an ovum therefore the chance is. If to copulate more often, then the quality of spermatozoa will worsen that sharply will reduce chances to become pregnant.
If sexual intercourse happens often, spermatozoa do not manage to ripen.
And the main thing that should be known, pregnancy just and comes after an ovulation as during it the ovum ready to fertilization appears.