​Match the Common Pregnancy Test/procedure with Its Description and How

​Match the common pregnancy test/procedure with its description and how it is done.Note: Answers may be used more than once.
-​A gel is spread on the patient's abdomen;a special tool is moved over the abdomen,which allows the doctor and patient to view the baby on a monitor

A) ​glucose challenge screening
B) ​glucose tolerance test
C) ​Group B streptococcus
D) ​maternal serum screen
E) ​nonstress test
F) ​ultrasound exam
G) ​urine test