Many tire baby was very urgent, baby tight without to catch the slow drive out of view of the world, of course there are some fetal baby leisurely and confinement over many days, he also stayed firmly in the mother\'s belly, enjoy the warmth of the mother. Are doctors measured the expected date is wrong?
Experts said: starting from the end of the last menstruation, usually 280 days. But this is just a theory, in fact most of the mother when the count to zero, or the child is born, either no action yet, only 4% children can observe the baby come come into this world.
Delay to
Less than half the children are later than expected date of birth, allow mothers to languish, doctors worry, see time and time again, first checks every two days, a week later will check every day.
Doctor was of major concern: the placenta was still scrupulously, provide food and oxygen to the unborn baby. We guess the fetus only when deemed more exciting world outside of the womb, to think about the birth, when he is sent some signals, such as amniotic fluid instability in turn green or electrocardiogram showing heart and so on. If all is well, babies do not hurry up.
Fetal coming out, was upset by pregnant mothers, even impatient, hope the baby for a long time, together with relatives and friends began to ask bla: \"the day of the bar? Health it? \"This feels a bit like dinner, but left, right, the guests not to.
Jibukenai
On the contrary, there is also a condition: babies not temper resistance, want to take a look at the new world early. Mostly kept his family for the baby additional equipment, mother thought silent two or three weeks, preparing the final production campaign, sudden pains not to sth It is as if the master overwhelms busy, meals not focus on, guests have been knocked.
These impetuous one-tenth babies are premature infants: they came to the world prior to 37 weeks of gestation and weighed less than 2,500 grams, many organs are not yet mature.
So who on Earth is it ultimately decided the baby is born: is mother or child?
In the delivery of biological clocks hidden in hormone?
Why do some children can\'t wait, and some children took? What contributed to the birth of a child? How to avoid premature? Researchers are looking, in the end decide where production of the biological clock hidden? In the mother body, or in children there? They hope to get answers from the pregnant mother\'s hormones.
Indeed, several days before the production, pregnant body start to secrete large amounts of estradiol, which at the same time promote the secretion of hormones associated with pain. At the same time the fetus is also involved in the Concert of hormone, secreted male hormones, and maternal estrogen echoed each other, like a chain reaction, the delivery approach. But for now this is just an assumption.
Incentives from children born?
Australia scientists announced their so-called \"hunger theory\". They observed: when the fetus in the uterus feels when nutrition and lack of oxygen, it will secrete a stress hormone that can produce pain. Use it to send a signal to the mother: \"Let me out, I don\'t have enough things to eat! ”
There is a saying: Fetal brain constantly monitoring the situation of a variety of important organs of the mature, until one day the brain receives a message: \"when I grow up, you can go out! ”
External forces
Impact from the outside world should not be overlooked. Contributing to the risk factors of premature delivery in addition to uterine malformation, cervical problems may also due to daily stress: if not and or work with your partner will not ring true.
Vaginal infections, increased embryo in the mother, in many cases results in a bag of water burst in advance. In addition, many reasons will lead to occurrence of preterm birth. But mother is not helpless, as long as seriously do antenatal, doctors can detect problems as inflammatory. Ensuring that birth of baby calm!
Midwives experiences--sooner or later the number of births of children associated with the character
Most experienced midwives do not quite trust the so-called \"baby\", after all, only 4% of the accuracy. But in the expected date of left and right had to prepare fully for production, no harm to wait for the life of surprise.
Germany Federal midwives Association President Michael d. Weiss: mother and child was designed from the start nine-month \"connected life\", like a Union! Including late in the pregnancy, their common \"negotiated\" date of birth. Some mothers say: \"my children earlier urged me angry with him, I can feel his wait. \"Then they will feel that their children do things impetuous, and when not taishou. This is of course experience, there is no scientific basis.
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