Minor hair loss is a normal part of the hair-growing cycle. Each hair lives about 4.5 years, falls out and is replaced in about six months. If your hair is falling out in clumps, certain lifestyle practices or changes may be to blame, but consult a physician to rule out underlying medical conditions.
Blood draw: Removal of blood, usually by venipuncture (phlebotomy, venous blood sampling). Common term for blood sampling for laboratory analysis.
An estradiol test is a blood test. This may also be called a blood draw or âvenipuncture.â A technician called a phlebotomist will perform the blood test. Blood is usually drawn from a vein on the inside of your elbow or the back of your hand.