It’s interesting, that when human born, he has no birthmarks. They appear in life time, most intensive in age 5-6. Birthmarks can be in different sizes and colors. Most frequently they are on tummy, back, but they can be on arms and legs, on face, in armpits, under nails and in genital areas. They are subjected under changes. Normally people have 10-40 birthmarks and, although many of them are already showed, when people comes to 20 year age, their number can change, for example, in years of maturity in can grow. Birthmarks can disappear too.
