To determine the effects of four different single bolus doses of FE200440 administered intravenously on stopping preterm labour compared to placebo in pregnant women with advanced gestational age~To establish the effects of four different single bolus doses of FE200440 administered intravenously on uterine contractions compared to placebo~To evaluate the effects of four different single bolus doses of FE200440 administered intravenously on labour progression compared to placebo~To establish the dose-response curve of single bolus doses of FE200440 administered intravenously in terms of time to delivery, uterine contractions and labour progression~To determine the duration of action of four different single bolus doses of FE200440 administered intravenously in terms of time to delivery, uterine contractions and labour progression~To establish the pharmacokinetic parameters of FE200440 after single bolus intravenous administration~To determine the relation between plasma concentrations of FE200440 and uterine contractions and labour progression~To compare the maternal, fetal and infant safety profile after intravenous administration of four different single bolus doses of FE200440 and placebo~To evaluate the impact of four different single bolus doses of FE200440 administered intravenously on delivery outcome, postpartum events and lactation
• To determine the effects of four different single bolus doses of FE200440 administered intravenously on stopping preterm labour compared to placebo in pregnant women with advanced gestational age