Ultrasound accuracy dating
Ultrasound accuracy dating - Sex Chat
The test cannot be performed outside this time frame as certain features that need to be seen on the scan are not present.This test results in a 9095% detection rate of pregnancies that may be at an increased risk of carrying a genetical problem such as Downs Syndrome.
The baby will be measured, and the anatomy examined in detail.It is recommended that all pregnant women have a scan in the first trimester at around 12 weeks of pregnancy to confirm their dates.First trimester ultrasonic scans may show 'soft' markers for chromosomal abnormalities, such as an increased fetal nuchal translucency (back of the neck) to enable detection of Down's syndrome fetuses.The test is performed between 11 weeks and 13 weeks 6 days into your pregnancy.At the first trimester scan they confirm that the fetus is alive, they assess the gestational age by measuring the crown-rump length and will look for any major problems.This is a routine ultrasound examination done at 10 to 14 weeks of gestation.
During the examination, the fetus is seen by abdominal ultrasound.
Occasionally the view is not clear and it may be necessary to perform a vaginal scan.
You do not need to have a full bladder, a moderately filled bladder is needed for a proper examination.
Most parents look forward to their scan because it gives them the first glimpse of their baby.
You will probably be give you a printout of your baby by the sonographer as a keepsake, it is important to remember the main purpose of the scan.
The first Trimester Scan, is Scans are usually performed by a doctors, midwives or radiographers who are specially trained in ultrasound, and are known as sonographers. The amount of liquor (amniotic fluid), the position and appearance of the placenta and a detailed scan of the baby itself.