− Gestational age below 24 or over 33 completed weeks − Premature rupture of the membranes > 30 weeks of gestation − Intrauterine growth retardation and abnormal fetal heart rate − Antepartum uterine haemorrhage requiring immediate delivery − Eclampsia and severe pre-eclampsia requiring delivery − Intrauterine fetal death − Suspected intrauterine infection − Placenta praevia − Abruptio placenta − Any other conditions of the mother or fetus, in which continuation of pregnancy is hazardous − Known hypersensitivity to the active substance or any of the excipients.