A vascular surgeon is a doctor that operates on veins & arteries. (vascular system)
That depends on if you are saying labor contractions which is a scale of one to ten. The measurements is determined by calibrating the opening of the cervix in centimeters.
If you are talking about measuring hand grip strength there are hand calipers for that.
Any muscle can contract including the heart. An EEG can measure the heart.
Lots of answers and devices actually
What is the body's first defence against infection and viruses?
A: saliva, mucus, and hairs
Amniocentesis detects abnormality in chromosomes, genetic disorders, and neural tube defects. Trisomy 21 (Down syndrome) is the most common chromosome abnormality.