The newborn hazards of late-preterm and early-term deliveries are well documented, as are the possible neonatal problems linked with elective delivery at fewer than 39 0/7 weeks of gestation. However, there are a variety of maternal, foetal, and placental problems that necessitate either a late-preterm or an early-term birth. In such instances, the time of delivery must balance the mother and infant risks of late-preterm and early-term birth with the hazards of continuing the pregnancy. If there is a medical or obstetric cause for early birth, deferring delivery until the 39th week is not recommended.If there is a clear indication for a late-preterm or early-term birth for either maternal or newborn benefit, then delivery should take place regardless of lung maturity tests findings. If, on the other hand, delivery may be safely postponed in the context of an immature lung profile result, there is no obvious signal for a late-preterm or early-term birth. Furthermore, there are some circumstances under which data to advise delivery timing is yet unavailable.
Uterine dehiscence and persistent placental abruption are two instances of these diseases. In these cases, delivery time should be customised and depending on the present clinical condition.
