Physiological methods for preventing pregnancy.

 And its fact, that abortion done by experience doctor, for women is not passing without a trace, and not rare attracts and serious complications. Gynaecologists are share, artificial preventing pregnancy is allowed, that as excluding, and a better, that preventing pregnancy is better with contraceptives. Today theirs are lots, doctor will select a most match. Any preventing methods is satisfactory by following methods, as comfortable staying, give contraceptive effect, not harmful effect gives on the health for spouses, having just temporary effect, that in stopping taking a normal pregnancy beginning, not destroying physiology for sex act. A most a full these requirements answers a physiological method, and we are not claim, that he is giving 100 percent guarantee , as unfortunately no one from these methods, but its not harmful, and not destroying a physiology for sex act, and effectivity his in a many depending on from a right, punctual using. An in women s ovaries regular , every month  maturing sex cell, and matured, she i breaking surrounding her thin membrane and coming out in peritoneum region, and from this entering in uterine tube, and in tube happening fertilizing are fusion for egg cell with sperm. At the same time with maturation a egg cell and her exit from ovary as ovulation are happening too cyclical changes in mucus membrane for uterine, she is loosening, soften, ready to receive fertilized egg , but if fertilized not happened, swollen mucus is rejecting and mense beginning. Thus in a stage till ovulation, when in uterine tube of egg, still not and not far till menses beginning ,when a not fertilized egg is dead, and conception not happening.

And i women's having 28 day mense cycle, ovulation happens on 12-14 day a cycle/cycle is a period from a first day a last till a first day a subsequent mense. And in a few women menses cycle is other having as less/21-24 days/, or more /more a 30  days. Its understanding, that in these cases ovulation beginning is on a few days earlier or on a few days later. But in a same woman a time to ovulation beginning is changing, but on a small limits as of stress, worry, fer, or climate changing , as in moving on hot south, under affecting different  effects as gynaecological diseases, that these changes a probably famous percent for failure , observing in physiologic contraception methods. And with a dates accounts for ovulation and a need to know for a few peculiarities a physiology for fertilization. As on every sex contact in women s vagina entering are 5-7 ml. of sperm, containing 200-500 ml. of sperm.Apart from theirs dead, other, thanks for active moves entering in uterine and uterine tubes.