Ministry of Public Health is about children's sexual precosity and milk hormone relevant problem question and answer

Ministry of Public Health is about children's sexual precosity and milk hormone relevant problem question and answer

Www.chinanews.com electricity, according to the intersection of Ministry of Public Health and the intersection of website and news, Ministry of Public Health carry on question and answer about the intersection of children and sexual precosity with the intersection of milk and the intersection of estrogen and relevant problem August 16, the details are as follows:
First, about children small adolescence
When being born in, hypothalamic - hypophysis - gonad (testis or ovary) The axle regulates one of the systems as the important endocrine in the body, although is not as steady just like that as the adult, but already basically finished setting up. Before being born in, because the placenta produced a large amount of estrogen, made this system laid aside temporarily in mother's body. After being born in, as the umbilical cord is cut off, foetus and mother had lost the tie connected, foetus' endocrine system must begin to learn to bear the important task alone. Soon after leaving the parent, especially future men, begin to debug the operation function of the endocrine system of its reproduction within several minutes, low value that the androgenic level secreted can reach the normal adult male level at most. At this moment, testis increase, have penis erect, can afford to pass slightly, this phenomenon can last until about half a years old; Compared with boy baby, the response of the baby girl is slightly a little slower, but will begin to debug the endocrine system of one's own reproduction within several hours too. At this moment, this system is not very steady, can secrete estrogen disconnectedly. During this period, two female alcohol levels can fluctuate in 0 to 50pg/ml (equivalent to the normal adult women's horizontal lower limit of estrogen) During. Some baby girls sensitive to estrogen can present more obvious breast development. Because of the fluctuation of the estrogen level, even a few baby girls can also present a little bleeding phenomena of the similar youthful young girl's period. It is not long and not very obvious that these behave in general duration, but can appear 2 years old before. The baby's infancy's this kind of behavior, is extremely similar to the course of really youthful development. So, call it as " small adolescence (minipuberty) vividly on medical science " . Can regard small adolescence as after the several years real " It is big " Preview small-scaly once in adolescence. At present, the actual meaning in small adolescence does not know very much, it behaves and varies with each individual too. Often neglected by us, but it really exists in a kind of early physiological phenomena of our life.
Second, about children's sexual precosity
Sexual precosity pieces of relative the intersection of time and concept, refer to age that second sex character appear than contemporary taking early with race, the intersection of same sex and other normal crowd. The normal crowd's age of youthful development is different with era, have the tendency to advance constantly. For now, first menses of period appeared before the girl appeared the second obvious sex character and/or 9 years old ago 8 years old ago, it second sex character appeared in front of boy is at 9 year old and/or on one side of last 4ml, last sexual precosity testis volume. It brief on should carry on by essential medical check,with except influence the diseases of the healths existed in the body.
Third, kind of children's sexual precosity
There are all kinds of categorised methods in the sexual precosity. In order to instruct the cause of disease to diagnose and treat, he has illness coming on in the mechanism differently and is divided into in clinical main foundation of going: Centre (genuine) Sexual precosity and around (false) Sexual precosity. The centre sexual precosity is exactly the same as real youthful development course, it is hypothalamic - hypophysis - gonad (testis or ovary) The participation of the axle department, can produce reproduction cells, can have ability to bear; The sexual precosity around only has the second sex character development that function of sex hormone causes, it is hypothalamic not to have - hypophysis - participation of the gonad axle department, can't produce the sperm or ovum, therefore does not possess ability to bear. The reason of the genuine sexual precosity is complicated, already but because organic diseases such as infection, traumatism or tumour,etc. touch " switch " of youthful development in the cranium Due to,reason but it find any centre sexual precosity of taking place speciallies so-called; The sexual precosity around causes sex hormone of second sex character development and comes from the body or the body. Can come from secreting various tumours of sex hormone in the body, can come from the food or medicine outside the body.
The intensity according to the second sex character development is divided into: Complete (genuine) Sexual precosity, some are (false) Sexual precosity, getting simple the intersection of breast and development, getting simple early-maturing, etc pubes.
According to hypothalamic and hypophysis - the intersection of gonad and axle start, divide into really: Gonadotropin dependence (genuine) It is not that the dependence is (false) with gonadotropin Two kinds of sexual precosity. Use the long-efficiency gonadotropin releasing hormone analog (GnRH-a) Treating, the former is effective, the latter is invalid.
In a word, can overlap each other between various categorised methods.

|