Inclusion Criteria:
- Pregnant women at term (≥37 weeks 0 day and < 41 weeks 0 day of gestation) at the Baseline visit
- Candidate for pharmacologic induction of labour
- Singleton pregnancy with live infant in vertex presentation
- Baseline BS ≤ 4 at the Baseline visit
- Parity ≤ 3 (parity is defined as one or more births live or stillbirths after 22 weeks 0 day gestation)
- Written informed consent
Exclusion Criteria:
- Women in active labour
- Presence of uterine or cervical scar including scar from previous caesarean section, and previous cone biopsy of the cervix and loop electrosurgical excision procedure (LEEP)
- Uterine abnormality e.g. bicornuate uterus
- Administration of oxytocin, any cervical ripening or labour inducing agents (including mechanical methods) or a tocolytic drug within 7 days prior to IMP administration. Magnesium sulfate is permitted if prescribed as treatment for preeclampsia or pregnancy induced hypertension
- Presence of the following conditions/symptoms:
Systolic blood pressure > 160 mmHg or diastolic blood pressure > 110 mmHg. Platelets < 100,000/µL. Increased liver function tests (2x upper limits of normal range). Severe, persistent right upper quadrant/epigastric pain. Progressive renal insufficiency: Creatinine > 1.1 mg/dL, Doubling of creatinine in the absence of other renal disease. Pulmonary edema. New onset cerebral or visual disturbances.
- Suspected or confirmed cephalopelvic disproportion and/or fetal malpresentation
- Diagnosed congenital abnormalities, not including polydactyly
- Suspected or confirmed intrauterine growth retardation (≤ mean 1.5 SD of normal estimated fetal weight for dates)
- Any evidence of fetal compromise at Baseline visit (e.g., non-reassuring fetal heart rate pattern, meconium staining, history of non-reassuring fetal status or abnormal umbilical artery Doppler wave form)
- Intake of medication with aspirin or non-steroidal anti-inflammatory drugs (NSAIDs) at V2
- Ruptured membranes ≥ 48 hours prior to IMP administration
- Suspected clinical chorioamnionitis
- Current pelvic inflammatory disease, unless adequate prior treatment has been instituted
- Fever (axillary temperature ≥ 38.0°C) at the Baseline visit
- Any condition in which vaginal delivery is contraindicated (e.g., placenta previa or any unexplained vaginal bleeding at any time after 24 weeks 0 day during this pregnancy)
- Known or suspected allergy to, dinoprostone, other prostaglandins or any constituent of IMP
- Any condition urgently requiring delivery
- History of asthma or glaucoma
- Unable to comply with the protocol
- Any other medical condition which in the judgement of the investigators would impair participation in the trial