A nurse is caring for a newborn whose mother voices concerns about sudden infant death syndrome (SIDS). The nurse should include which of the following statements in a discussion with the mother?

Placing your child on her back when sleeping will decrease the risk of SIDS.

SIDS is directly correlated with the diphtheria, tetanus, and pertussis vaccines.

SIDS rates have been rising over the last 10 years.

Sleep apnea is the main cause of SIDS.