If a woman has a steady partner, it can calculate the time for safe sex and to conceive a child. So during the menstrual cycle is the period when conception is absolutely impossible - it just can be used for safe sex. But the menstrual cycle and time is the most favored conception - it is not as long-lasting, it is necessary to know and do not miss, if you want to have children.
From what period is the menstrual cycle of women
All woman's menstrual cycle can be divided into three periods:
- follicular maturation period (the first 14-16 days from the first day of menstruation), during which the most active female sex hormone estrogen; they promote maturation of the egg cell in the ovary;
- ovulation period (14-16 th day from the first day of menstruation) - rupture of the follicle and release of the egg from the ovary into the abdominal cavity and from there into the fallopian tube; This phase takes place under the influence of follicle stimulating hormone (FSH) and lyuteoniziruyuschego (LH) pituitary hormones; signal for the release of these hormones is the necessary level of estrogen in the blood;
- during corpus luteum or progesterone (15-17 on day 28 of the menstrual cycle) on the site of the ruptured follicle forms the corpus luteum, which begins to produce progesterone and estrogen; in the case of pregnancy, progesterone prepares the mucous membrane of the uterus to the introduction of the embryo; moreover, it inhibits the maturation of other follicles that could prevent the development of the pregnancy; If pregnancy does not occur, the corpus luteum stops its function, sex hormone level drops and begins rejection is already prepared to receive the embryo of the mucous membrane of the uterus - menstruation.
The periods of the menstrual cycle with the highest probability of conception
The highest probability of conception occurs during ovulation
Ovulation - How to determine as accurately as possible?
14-16 days after the first day of menstruation. It is believed that the highest probability of conception time equal to the time of ovulation, plus two days (day lives egg and day - correction for the inaccuracy of calculating the time of ovulation). This day the egg enters the fallopian tube and can meet the sperm. The probability of conception at this time is 1: 3.
The possibility of conception, there are the days preceding ovulation (no more than 6 days before ovulation), due to the fact that sperm can maintain its viability is seminal fluid for 2-6 days.
The periods of the menstrual cycle with the lowest probability of conception
In the menstrual cycle there are two periods when it is possible to practice safe sex:
- the first period of the menstrual cycle (14-16 days) - it is also called phase relative sterility; phase is characterized in that the closer the time of ovulation, the greater the risk of conception;
- the third period of the menstrual cycle (16-18 until the last day of the menstrual cycle) - conception is absolutely impossible, because there is no egg - she does not live more than a day; the risk of conception is not at all.
The calendar method of pregnancy planning
In order to practice safer sex
Safe Sex - Myth or Reality?
You need to hold a special calculation by analyzing the length of their menstrual cycle for at least six months. During this period can not be used hormonal contraceptives.
Primarily allocate the shortest and longest menstrual cycles, which were analyzed during the period. Then, from the very short period subtract the number 18 - the day of the turns dangerous period, for example, 26 - 18 = 8 (the 8th day of the menstrual cycle). From the longest period, subtract 11: 30-11 = 19 (the 19th day of the menstrual cycle).
The result is that the risk of an unwanted pregnancy is saved from the 8th to the 19th day of the menstrual cycle
The days of the menstrual cycle: Four phases
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This count is only suitable for women who have a stable, not too varying the duration of the menstrual cycle. If the menstrual cycle each month varies considerably, it is best to consult your gynecologist. No need to forget about the preliminary analysis - without a precise calculation is impossible.
If you decide to have a baby
If you decide to have a baby, then to increase the possibility of conception, you need to quit smoking (nicotine inhibits follicular maturation), drinking alcohol (under its influence in the adrenal cortex begins to stand out adrenaline that detrimental effect on progesterone
Progesterone - norm and pathology
- The uterus can not just prepare to receive the embryo), drink a lot of coffee (it also causes an increase in the level of adrenaline in the blood).
Diet woman who wants to conceive a child should include plenty of vegetables and fruits, especially, Brussels and cauliflower, spinach, carrots and nuts. Eating too much meat should not be - the meat products must not exceed 1/5 of the diet. But to give up meat is not necessary - animal protein prevents the occurrence of iron-deficiency anemia.
Calendar of conception - it's great, it will save you from unnecessary worry and fill the sexual life of freedom.
Galina Romanenko