Pytel Yu A, Zolotarev I I, Tsomyk V G, Datushvily T D
Int Urol Nephrol. 1975;7(1):7-12. doi: 10.1007/BF02085340.
In animal experiments it was proved that contraceptives may cause considerable renal changes. It is necessary to call gynecologists' attention to possible side effects; the contrapaceptives are contra-indicated in chronic pyelonephritis.