Understanding prenatal checks, relief of pregnant woman wondering

· Ultrasonic prenatal diagnosis

The most common means of prenatal diagnosis, especially in recent years using the advanced b-type ultrasonic scanner, enable diagnostic level has been greatly improved.

Advantages: painless, fast, can be checked repeatedly. On significant limb malformations, no brain, embryonic development of fetal viscera teratogenesis cuisine, unusual, microcephaly, multiple pregnancies, and amniocentesis full disk bit, with a high diagnostic value.

· Amniocentesis

Best time of di16-20 pregnancy week for amniocentesis. This is a very mature, security of prenatal diagnosis technology, used in diagnosis of fetal chromosomal abnormalities, neural tube defects, and some can be reflected in the amniotic fluid of hereditary metabolic diseases. Puncture with needle through the abdominal wall into the uterine cavity absorption of pregnant women out of a small amount of amniotic fluid, amniotic fluid cells and biochemical aspects of checking.

Many pregnant women are afraid to do this check, but doctors recommended amniocentesis Checkup, is not suspected fetal anomalies, such as the risk of abnormal infants born compared with the possible risk of puncture, all things considered, you would have reason to accept the doctor\'s advice.

· Villus cell checks

This is developed in recent years a new prenatal diagnosis technology, is a more secure of prenatal diagnosis technology, very promising.

40-70 days of pregnancy, covered with fluff around the blastocyst, is the best time to check.

It is mainly used for understanding fetal sex chromosomes and there is no exception, its accuracy is very high.

· Fetoscopy

This is a more technical and prenatal diagnosis. General checks from time to time in the di15-20 pregnancy week rows.

Through this screening on Fetal and prenatal diagnosis and treatment of fault in some hereditary metabolic diseases, blood diseases. Some foreign institutions also use it to the fetus injecting drugs, even on fetal hydrocephalus and urethral obstruction surgery, but is not yet widely used.

But prenatal diagnosis of fetal mirror the use of development to a new level.