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子宫日记




http://192.168.2.6/english/子宫日记.rm
顶端 Posted: 2007-04-14 09:55 | [楼 主]
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After starting at a feeble twenty to twenty five beats per minute, it now pumps as fast as it will ever go, a frightening 157 beats every minute, an adult beats normally 70 to 80. After this peak, the heart rate will decrease as the heart along with the rest of the body gradually comes under the brain’s control. At 10 weeks the fetus has been hidden from the outside world, but the mother is about to guess her first glimpses on the secret device unfolding inside her womb. 3 months have passed since conception and the time has arrived for the first ultrasound scan. Ultrasound scans that peer into the womb have revolutionized our understanding of fetal development and care for the mother. Professor Stewed Cambol of the Creator Health Clinic in London is one of the world’s leading experts in obstetrics.
Can you see the head, the baby’s sleeping to the side and it’ll make sense to you when the baby starts to move.
The pictures are produced by sending ultrahigh frequency sound waves far to high for us to hear from the probe into the body of the mother. The waves penetrate through internal tissue, passing easily through fluid areas like amniotic fluid but bouncing back strongly of solids like bone.
See, one, two
The reflected waves are collected to produce to an internal image similar to an X-ray but without the danger. Ultrasound scans aren’t known to cause any harm to the fetus. Inside the womb, the fetus lives in fluid, even the lungs are filled with fluid and the ultrasound produces a moving image that to a *reveals important information about the health and development of the fetus.
This is the salivarium, part of the brain, helps she keep her balance.
The first scan can also establish more accurate data based on the fetus’s size instead of guessing from the date of the mother’s last menstrual period.
The scan can also show early but not conclusive diagnostic features pointing to genetic abnormalities.
No, that’s attest for *, it doesn’t definitely say it’s * or not, but it tells you if it is a risk.
Until recently, none invasive research into the development of the human fetus has been restricted to fetal autopsies or graining 2 dimensional ultrasound scans, but now, this area of exploration has been revolutionized with the development of 3 dimensional scans and even more remarkably 3 D scans which move in real time, known as 4 D scans.
And look, ..
See the hand?
Obstetricians can directly observe how the fetus grows, behaves, reacts to stimulation, and how its reflexes help it prepare for birth and for survival outside the womb. Prof Cambol is a world renowned pioneer of these new scans and is responsible for taking these incredible images. This scan shows a thirty week fetus yawning, and this one a thirty-two week fetus playing with its nose.
顶端 Posted: 2007-04-14 09:59 | [1 楼]
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