The ovulation is the ovum maturation in the ovary wave expulsion of one or more ovules from ovary, either spontaneously or induced .
The women ovulate every an average of fourteen days, after the first day of the menstruation . This period, however, is not accurate since it depends on the length of each person's menstrual cycle. It is normal for some cases to feel pain during ovulation.
He menstrual cycle generates alterations in the consistency of vaginal discharge and aims to prepare the organism for pregnancy . He process It consists of two phases, separated by ovulation. The first phase is called follicular and begins with the first day of the menstrual cycle; It consists of the random selection of a follicle that will break to free the future egg.
Thereafter ovulation takes place in itself, during which the egg leaves the follicle, reaches the Fallopian tube and is pushed towards uterus. The luteal phase , last part of the menstrual cycle, lasts until possible pregnancy or until the onset of bleeding.
Menstruation and ovulation begin with the puberty and will develop throughout the woman's life until the menopause , with the exception of the periods of gravity. The regularity of the cycle, however, is not strict since each woman has her time to develop these hormonal changes.
The fertilization It occurs in the hours close to ovulation. This moment, however, is difficult to specify and for this reason the calculations that attempt to determine its arrival are unreliable. If you are looking to avoid pregnancy, it is best to follow one of the many methods scientific-based contraceptives, since all ensure at least 70% efficiency.
The most popular contraceptive methods are called of barrier and seek to block physically the uterus to prevent sperm from entering. Within this classification are the male and female condoms and the diaphragm.
The oldest of all is the condom, which ensures a effectiveness 84% when used correctly and responsibly. It should be mentioned that due to its low price and its accessibility when using it, it does not require supervision by a doctor; In addition, no side effects are known. If we add to this that it prevents the spread of diseases many diseases, it is not difficult to understand that it is the most popular method worldwide.
The condom for women is composed of a polyurethane cover that has two flexible rings on each side; one of them must fit the vagina, and the other must remain outside. Its percentage of reliability is 79% and, like the condom, its use does not need supervision medical
The most popular female method is the diaphragm, which consists of a rubber part that is fixed to the cervix and has a spermicidal substance to render the approaching sperm useless. Its effectiveness is 82% and, unlike the two products mentioned above, they require a prescription medical, since there are different types and sizes of diaphragm.
Finally, the highest percentage of success is achieved with the IUD; it is a very small plastic or metal wire that is positioned in the uterus and effectively prevents pregnancy in 96% of cases. Its action is twofold: on the one hand, it consists in getting the sperm to become less able to fertilize the ovum; It also tries to prevent the fertilized egg from implanting into the uterine walls.
The placement of an IUD should be in the hands of a doctor, and it is important to keep in mind that some women suffer from uterine cramps and increased menstrual flow during use. There are others Adverse effects of this method, so it is recommended inform Responsibly before making the decision.