amniocentesis

CVS: chorionic villus sampling

CVS or chorionic villus sampling is a diagnostic, prenatal test used to test for chromosomal abnormalities in a fetus between week 10 and week 14 of pregnancy. It is preferred to amniocentesis if you are less than 15 weeks pregnant, but need to check for abnormalities. In CVS, samples of the chorionic villi (the extensions […]

Diagram of amniocentesis

Amniocentesis

Amniocentesis, also known as an Amniotic Fluid Test (AFT), is a diagnostic test usually undertaken between week 15 and week 20 of pregnancy, though it can be taken as early as week 11. It is a test in which about 20 mL of your amniotic fluid, which contains fetal tissues, is used to examine the […]

AFP test

An AFP or maternal serum AFP test is a blood test that is carried out between week 16 and week 18 of pregnancy to test for any potential challenges to your baby’s development. The AFP test can be combined with other hormone tests making it a triple screen, quad screen or penta screen. AFP or […]

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