[The long-term effect of various hormonal contraceptives on the excretion of sodium, potassium, calcium, magnesium, chloride, phosphorus, uric acid, oxalic acid, citric acid, sulfate and lysozyme in the 24 hour urine].

The influence of a long-term application of 4 different hormonal contraceptives on the excretion of various constituents of the urine was examined. A reverse effect after stoppage of the medication is to be established in none of the other parameters with the exception of calcium.