Wednesday, November 30, 2011

All about the amniocentesis


This procedure helps the doctor to detect the possibility of genetic, metabolic or neurological disorders in developing fetus.

When doing this?

Since amniocentesis presents minimal risk of abortion, from less than 1% is indicated only for special cases where it is important to confirm the health of the baby. If the mother is over 35 years, have a family history of genetic problems or be a carrier of any of them, it is best to perform this test for early detection of fetal abnormalities.


The time of pregnancy for this test is between weeks 15 and 20 of pregnancy. Sometimes also recommended an amniocentesis is in the third trimester of pregnancy to check the development of the fetal lungs, if there is risk of preterm delivery.

How is it done?

The procedure is completely ambulatory and to begin an ultrasound is performed to detect the position of the fetus, and the amniotic sac. Then a needle is inserted through the abdomen into the uterus, and suck about 14 cc of liquid.

After the review recommends the mother to rest for the day and avoid strenuous activities during the next week.

Why practice it?

Amniocentesis allows early detection of birth defects that can be treated before birth. In these cases, early action is key to a better quality of life the newborn.

When the detected defects can not be treated during pregnancy, early information helps create along with the physician a plan of action that allows access to the best possible care and treatment.

This test should be indicated by the physician. If you believe that there are risk factors which need an amniocentesis should be discussed with your specialist for the best advice.

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