aminocentesis
chorionic villus sampling
chorionic villus sampling
Chorionic Villus Sampling (CVS)
catheterization
catheterization
Urinalysis is a diagnostic physical, chemical, and microscopic examination of a urine sample (specimen).
Working distance or WD is the distance between each objective and the specimen, when precise focus of the specimen is obtained.
Clotted blood is normally obtained from a specimen of venous blood which has been allowed to clot by standing for 30 minutes. The resulting specimen is usually centrifuged to separate the clotted red blood cells from the serum.
When you are at the doctors office.
Sigmoidoscopy, flexible; diagnostic with or without collection of specimen(s) by brushing or washing
Forceps
Because you're not pregnant or because you have taken it too soon or not used an early morning specimen of urine.