SIDS Risk Factors: Evidence-Based Overview for Parents

SIDS has no warning signs, but epidemiologic studies identify risk and protective factors.

Major Risk Factors

• Prone/side sleep position.
• Soft sleep surface (waterbed, sofa, adult mattress, sheepskin).
• Bed-sharing (especially <4mo, parental smoking, alcohol, fatigue, soft bedding).
• Secondhand smoke exposure (prenatal > postnatal).
• Prematurity (<37wks) / low birth weight (<2500g).
• Young maternal age, inadequate prenatal care.
• Overheating / excessive clothing.
• Male sex, Black/Native American race (disparities).

Protective Factors

• Supine sleep.
• Room-sharing without bed-sharing.
• Breastfeeding (any duration).
• Pacifier at sleep onset.
• Immunizations.
• Fan in room (air circulation).

Risk Perspective

SIDS is rare (~0.04% of live births). Most infants with risk factors do not die. Focus on modifiable factors; don't panic.

Action Plan

Follow AAP Safe Sleep guidelines. Discuss concerns with pediatrician. Bereavement resources available (First Candle, CJ Foundation).