A doctor who specializes in pediatrics.

A

The fluid in which the embryo or fetus is suspended within the womb (the embryonic sac inside the uterus). B

CVS

Thread-like linear strands of DNA and associated proteins.

A blood sample from the fetus (to study chromosomes, for example) can be obtained by inserting a fine needle into the umbilical cord, under ultrasound guidance.

The art or act of identifying a disease from its signs and symptoms.

A variety of tests and procedures performed on a patient to effectively establish a diagnosis. Procedures include laboratory tests, x-rays, ultrasounds and other imaging studies. E

Outside of the womb (uterus).

A high resolution ultrasound test to detect heart abnormalities in the fetus.