Abstract
Definition: The drugs in this class to inhibit the contractile activity of the uterus. Indications: treatment of preterm labor during childbirth in acute intrauterine hypoxia, calming the uterus before caesarean section and reanimation of the fetus, treatment of uterine contractions during cervikokorporální dystocia, cerclage before, during and after its implementation, with a turnover of outer soles grips with breech or lateral position for the second twin.