During pregnancy for various reasons there can be a disturbance of a condition of a fruit. The child is surrounded with amniotic waters – amniotic liquid which contains also the living cells of his skin which peeled, but being in process of growth and other substances. Their research helps to find valuable information about health of a fruit, and this diagnostic method – amniocentesis is called.
Amniocentesis – a method of a research of amniotic liquid. Represents piercing of an abdominal wall of a uterus. In the course of its carrying out select a small amount of amniotic waters and conduct a number of researches: hormonal (quantity, composition of hormones), immunological (identification of disturbances in separate links of immunity), biochemical (composition of amniotic liquid). The summary analysis of these researches of liquid helps to define the general condition of a fruit and to reveal a risk degree of genetic anomalies.
There are several hundred kinds of genetic defects which amniocentesis method, including chromosomal diseases (Edwards's syndromes, Patau and Down) can reveal, defects of a neurotubule (spinal hernia, etc.).
However does not show such inborn defects as a wolf mouth and a labium leporium, amniocentesis.
Only the pregnant woman as this procedure is accompanied by certain risks can make the decision on use of a method of amniocentesis. And opinions on expediency of this research disperse. First of all, it is necessary to be ready to the fact that in case of detection of anomaly, perhaps, it is necessary to interrupt pregnancy. Nevertheless, early detection of defect at the child will give time to find out what help can be necessary.
And as amniocentesis poses some threat to health of mother and her child, this test is suggested to be done only to women who have powerful premises to development in a fruit of genetic diseases, including in cases when:
Apply amniocentesis method on duration of gestation of 16 - 18 weeks (i.e. 14 weeks after the first day of the first periods which did not come). However if the doctor has bases to suspect development of heart disease or a serious genetic disease at a fruit, then performing amniocentesis on term up to 14 weeks is allowed.
Also in some separate cases carry out amniocentesis and on terms of later for the purpose of abortion if on that is medical indications. In this case in a bubble administer strong solution of salt or other drug.
The obstetrician-gynecologist in the operating room carries out this diagnostic test. Before the procedure of the pregnant woman surely do ultrasonography to define a placenta arrangement in order to avoid its damage during a puncture.
The puncture is done through a front abdominal wall of a uterus, previously having processed the small site of skin of a stomach five-percent spirit solution of iodine. The place of a puncture is anesthetized local anesthesia to reduce discomfortable feelings. Under ultrasonography control the doctor enters a fine long hollow needle into an amniotic cavity and gains 15-20 ml of liquid which sends to the laboratory analysis. The laboratory counts all chromosomes and define their structure, however the procedure lasts two-three weeks. The matter is that the diagnostic purposes require a certain quantity of cells of the kid which grow up in special conditions for this reason the woman receives results not at once.
Directly after amniocentesis of the patient can feel pain in a stomach.
At some after amniocentesis insignificant bloody allocations are observed. Therefore, as a rule, the doctor recommends a bed rest within a day.
Also after amniocentesis some time the doctor will check heartbeat of the kid and to watch the woman to prevent possible uterine reductions.
Carrying out this research is accompanied by some risks. Such effects of amniocentesis are possible:
Considering all aforesaid, each woman before agreeing to test, has to consider possible effects of amniocentesis and weigh all pros and cons. Besides, the test result all the same cannot guarantee the birth of absolutely healthy child, it only excludes some pathologies. Its accuracy makes about 99,4%. Therefore each pregnant woman should consult with the geneticist and already then to make the final decision.
Four segments of dark chocolate contain about two hundred calories. So if you do not want to recover, better not to eat it is more than two segments in days.
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