B-ultrasonography during pregnancy FAQ

B-ultrasonography during pregnancy FAQ
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Pregnant woman to the hospital for prenatal screening is, clinicians
often with b-ultrasonography to the diagnosis.B-ultrasonography during
pregnancy FAQ What?

, Ultrasonic instruments and what?

Ultrasound can not only visualize the process of fetal intrauterine
growth, can judge relatively accurate mother to baby.The most common
form of b-ultrasound and General ultrasonography, there are
three-four-dimensional color Doppler ultrasonography and, vaginal b-.

B-

General CDFI

Three-dimensional color Doppler flow Imaging

Four-dimensional color Doppler flow Imaging

Vaginal b-ultrasound

Second, ultrasonic inspection is the more expensive the better?

Regular antenatal use of b-or General ultrasonography to complete, not
necessarily select three-or four-dimensional ultrasonography.Select
three-or four-dimensional observation of fetal behavior is more
intuitive, such as sucking fingers, yawn, turn the body, and so on,
and to leave a better Memorial.Three-or four-dimensional color Doppler
ultrasound in late pregnancy for up to one.

Three do, vaginal b-causes abortion?

Vaginal b-general arrangement early in the pregnancy, doctors will
vaginal probe coated with lubricants, condoms on the set, then
coloured aseptic coupling agent, into vaginal fornix.Check general no
bleeding, will not increase chances of miscarriage, mother does not
have to worry too much.

Four or three-or four-dimensional ultrasonography will there be dangerous?

Even the traditional b-ultrasonography is not hundred percent safe,
three-or four-dimensional color Doppler ultrasound checks take about
20 minutes, so potentially hazardous chances will increase.But if you
only do it once, is not likely to be affecting the health of the
fetus.

About pregnancy weeks best suited to do three dimensional b-?
Five, do several more b-affects fetal health?

Different ultrasound and x-ray, to date there is not enough evidence
that ultrasonic run the risk distorted.But experts recommend that,
general principles of prenatal ultrasound examination should be taken
to minimize, entire pregnancy will be 2 times the necessary checks.But
if the mother has a special situation, according to the doctor's
advice.

Done 3 times a month do b-ultrasound on fetus will have an effect?

TIPS: special condition to be b-

Vaginal bleeding in early pregnancy;

When does not match the number of weeks of pregnancy and abdominal size;

Check the suspected fetal position not being nor time;

When pregnancy over due.

Six, When ultrasound during pregnancy?

Under normal circumstances, mother should do 2 times during pregnancy
ultrasound.

1, but before the 25 weeks of gestation

Check the purpose: observation of fetal development are normal, with
or without defects.

33-37 2, pregnancy week

Check the purpose: to observe the placenta, the existence of placenta
previa, preparing for which delivery mode you choose.

Irregular menstrual cycles before pregnancy or early pregnancy bleeding mother:

3, before 12 weeks of gestation

Checking purposes: determining fetal survival, speculated that mother to baby.

Comparison of b-ultrasound in pregnancy index and description

Seven, a history of abortion, should the early b-for the first time?

Mother of 2 or more miscarriages, doctors usually recommend early b-,
early b-check is no guarantee that all normal fetus, especially 6
weeks before, can only see the fetal SAC, only to wonder whether an
ectopic pregnancy, bleeding or pain and other symptoms of cases it is
necessary to do.
Eight, before you make b-do you need a holding back urine?

Early pregnancy: the need for

Early pregnancy, the uterus in the pelvis, also, intestinal cavity
gases and the effects of intestinal canal, show less clear, at this
point if the filling of the bladder, intestinal squeeze will aside,
b-scan ultrasonic image would be more clear.

Prenatal: required or not required

Under normal circumstances, observation of antenatal checks whether
the fetus is normal, so there is no need to be holding back
urine.However, if the abnormal placental position, you need to be
holding back urine checks.

Holding back urine on the fetus is affected?

Nine, mother is so fat will affect b-results?

Yes, it affects.Mother is so fat will be more difficult, because the
ultrasonic through too much energy will weaken, formation of the image
is less clear.And since the fetal heart is too small, prospective
mother's so fat, it is difficult to detect fetal heart, even if
detected, the accuracy will be greatly reduced.Therefore, the mother
it is necessary to control body weight during pregnancy.

Ten diseases was not, is there any b-ultrasonography?

Serious deformity is usually very hard to find, but some exceptions
are likely to be ignored or could not check out.Because there are many
factors affecting the checks, there are relatively few such as
amniotic fluid, fetal skeletal acoustic shadow, fetal position is
fixed.And some abnormalities in specific weeks or only to a certain
time will show it.

Study: spina bifida, limbs are incomplete and severe abdominal
problems, found rates of 90% above; the heart defect discovery rate of
25% and character of diseases such as Autism found rates of only 0%.

18-24 weeks ' gestation in General is the best time of the diagnosis
of fetal malformation.If unusual, usually schedule the second check,
if there is an exception, doctors would give out advice, is a
treatment after birth or a termination of pregnancy.

So far there is no exact evidence ultrasound checks of absolute
security.Its effects on the human body mainly decided by the strength
and ultrasonic radiation time, using low power ultrasonic thesis of
instrument and control within a short time, the safety factor is
larger, the fetus is safe and reliable, in view of this, pregnant
women should comply with b-doctors ' orders to make the necessary
checks, not blindly frequent prenatal b-ultrasonography to ensure
normal fetal growth.