Today a lot of women develop one complicated health problem as they become pregnant - ectopic pregnancy. The term 'ectopic' means out of place and so that's why it can be the reason for numerous problems and undesired results. Why does it develop? The main cause is that a fertilized egg develops outside the womb. (more…)
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For a lot of centuries people are longing to have a descendant of a definite sex. It is nearly unrealizable, although, for people to adjust the sex of a future offspring.
The sex of a coming infant depends quite on a male. X-chromosome exists in every ovicell and might appear in one pair with Y-chromosome in diploidic cells. Different chromosomes (X and Y) are included in male cells. That is why the baby's sex is defined specifically by men's cells. Fancy the conditions when it is possible for ovicells to be impregnated by identical cells: exclusively girls would appear. Meanwhile, there are families that have only girls or girls. The surveys prove that boys appear oftener than girls though this inequity is slight. All those biological procedures might easily vanish from your head because of girs kiev.
When the semen penetrates into the ovicell, the process of approximation of nuclei begins. The process of originating chromosomes begins when the nuclei start growing in size. Chromosomes are surrounded by a slender sheath which bursts in both cells when the time comes. The nuclei of both cells draw close to each other and fuse into a single unity. As a result of nuclei merger ovigerm turns into a germ with new genetic baggage.
It was believed in the years of old that boys appear from the right testicle, and girls - from the other one. Various acrobatic poses were recommended for pairs that longed to conceive a kid of a particular sex. (more…)
The common success rate in egg donation procedure varies about 50%. Anyway there are options that may highen the chance of success. The first one is the professionalism of the medical crew. The second to mark is the quality of the donored eggs. If the donors are healthy the success chances improves greatly. And the last point is the usage of the newest technologies. Just a minority facilities offer all the three pros. One of them is AVA-Peter, a Russian reproductive medicine clinics in Saint Petersburg. The next describes treatment they carry out. This allowed them to attain a 70% success rate in oocyte donation in first half of 2009.
Official data says that above 60% people in USA suffer from excessive fat. The grounds for this are lack of activity in our life, stress, poor ecological conditions. However, men and women don't think about losing weight until they become bothered by accompanying problems with health caused by excessive fat: elevated blood pressure, high cholesterol, diabetes, problems with blood vessels. (more…)
In our times medics and governments of a number of countries are much worried about the psyche of future generation. This anxiety proceeds from the condition that witnesses a huge number of suicide endeavors and nervous frustrations among young people the world over. Loneliness, lack of mutual understanding and neglect from the part of adults are amongst the wide-spread reasons for such a lamentable condition. A great number of young people search out solution of such state in becoming the followers of various subcultures similar to punk, emo, goth and so on.
Youth formations frequently clash with the opponents in the person of parents and social workers who think them to have a noxious impact on the psyche of teens. There are, however, medics that affirm that the very youth formations help young people outlive everyday stressful conditions and vital extreme situations. Let us take the culture of emo to confirm this opinion. A lot of citizens suppose emo boys and girls to be aggressive but in reality these teens show much reverence to others regardless of their faith of race. Only to think about fortitude of emo guys who throw down the gauntlet to the society by emo clothes and look. Emo boys and girls clothes differs from the typical way of dressing: both sexes wear sportive boots, black close-fitting pants with thorny waist-belts, multicolored badges and stripes, a dark jacket and a bag over the shoulder. An emo clothing isn't the way to vary from other people but simply the way to live. Outward look of emo boys and girls might as well excite indignation or repugnance of typical citizens. (more…)