TESTS in high risk pregnancy

PREGNANCY TESTS
in a high risk pregnancy,the doctor may order certain tests,apart from the ultra sound scan.
1.chorionic villi sampling
This is done between 8th to 11th week of pregnancy.
This will be a 10 to 15 minutes procedure.A flexible tube is inserted through the vagina under ultra sound guidance and a small part of the placenta is removed for testing.The sac sorrounding the child is not pierced.
2.Amniocentesis or amniotic fluid analysis
This is done between 14th to 18th week of pregnancy.
This is also a 10-15 minutes procedure,wherein a needle is inserted through the abdominal(tummy) wall,under ultra sound guidance,to pierce the sac around the foetus(growing child) and small amount of fluid around the child is withdrawn for testing.
In both these procedures,Some amount of pain may be present.Small risk of miscarriage is also present,being more in the latter.