It would seem, than they can be dangerous?
First, there is a risk of contamination in the pool if someone involved in it visitors sick. Second, casually referring to the regular surveys, you yourself might unwittingly be a source of infections. For this reason, it is necessary to pass medical examination and obtain a medical report on the health status.
It must be noted that the reference in the pool is not only proof that the customer is not a carrier of infections. It indicates the absence of contraindications to practice water sports.
The disease, which is a contraindication for training in the pool
There is a list of diseases, under which it is impossible to do in the pool: otitis (ear inflammation), conjunctivitis and rhinitis (inflammation of mucous membrane of eyes and nose); coronary heart disease (impaired blood supply to the myocardium), chronic and acute heart failure; venereal diseases; diseases of the genitourinary system, gynecological diseases in women; hypertension; tuberculosis; helminths; infections of the skin.
You also cannot use the pool of women at the late pregnancy (last trimester). The reason for the refusal to issue the necessary medical certificate may be the presence of any chronic disease.
The procedure of examination for help
So first you need to visit a therapist, without his signature issued medical certificate will be considered invalid. Next you examined by a dermatologist and venerologist. For women a mandatory examination by a gynecologist. After examination by these experts, should pass a General analysis of blood and RW analysis, test for HIV infection, analysis for the presence of helminth eggs and to make fluorography.
For children and adults medical reference is the same. It contains notes of tests, print all professionals the standard for printing hospital sheets, and the stamp of the clinic or medical center. The validity period of reference: three months, six months or maximum a year. To obtain a new confirmation must repeat the procedure. It is important to know that the design of the reference pool is a paid service in medical institutions of any type.