Although the causes of SIDS (sudden infant death syndrome) are still largely unknown, doctors do know that the risk of SIDS appears to peak between 2 and 4 months. SIDS risk also decreases after 6 months, and it's extremely rare after one year of age.

What weeks is SIDS most common?

Even though SIDS can occur anytime during a baby's first year, most SIDS deaths occur in babies between 1 and 4 months of age. to reduce the risk of SIDS and other sleep-related causes of infant death until baby's first birthday.

When can you stop worrying about SIDS with a baby?

Most SIDS cases occur before 4 months, and the vast majority happen before 6 months. That said, try not to spend too much time worrying about SIDS, even during your baby's first few months of life.