The study allows you to see part of a pregnant woman at risk for the possibility of having a child with chromosomal abnormalities.
first screening pregnancy also called a combined dual test, the physician assigns his pregnant to preserve the health of both mother and baby. But lately, more and more women refuse to do it, referring to the not very high reliability.
What kind of analysis?
Comprehensive survey is conducted to determine whether there are risks of chromosomal aberrations in the fetus.Inconsistencies in the chromosomes lead to development of serious diseases such as Down syndrome, Patau syndrome.
The screening is done between 11 and 13 weeks (to do it sooner or later does not make sense - the results will be incorrect), and includes two tests - ultrasound and a blood test. Ultrasound examination is carried out to see the baby's body and features of its structure, parallel with the physician analyzes the state of the placenta, as there is power, the current processes in the umbilical cord and uterus.
The first screening in pregnancy: why it should make every expectant mother? / istockphoto.com
A blood test allows us to understand how much is a hormone in the blood.
Number of b-hCG increases from the beginning of pregnancy until the tenth week, and then the level begins to decrease gradually.
Above average suggests that the fetus could develop disease, and below - a missed abortion.
PAPP-A produced by the placenta, the concentration increases with each passing month. Low levels may indicate genetic problems.
Prenatal screening is not a diagnosis, but it is able to identify the risks, if necessary, the expectant mother consult with a geneticist, is preparing for the birth of a baby especially.However, we note that genetic diseases are rare and tend to be a screening test eliminates fears of a pregnant woman.
The first screening in pregnancy: why it should make every expectant mother? / istockphoto.com
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