A full-term pregnancy lasts about 40 weeks, and practically every one of those weeks is critical. It takes time for critical bodily systems to develop correctly. Without enough of it, organs like the brain, heart, and lungs might not be ready to support the baby.
Every mom hopes that they’ll carry their baby to term. But a variety of factors can keep that from happening.
When a baby arrives too early, it’s considered premature. In some cases, a premature baby can be completely healthy. However, there are things that can happen when a baby is born before reaching full-term.