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Choosing a Stroller: What Safety Standards and Research Actually Say

By Leon MoriguchiPublished May 15, 2026Updated May 18, 20265 min read日本語版あり
Audience
Parents of children 0–2 years

TL;DR

  • ·Vibration during normal stroller travel does not appear to be the primary mechanical risk for infants — an analysis of 20 years of US emergency-department data found that 76% of stroller injuries were falls, with head and face injuries rising sharply over that period
  • ·Type A (recline ≥150°) is required before neck control is established; developmental readiness — not the labeled age — is the correct criterion, particularly for premature infants or those with slower neuromotor development
  • ·Consistently using the five-point harness and setting the brake at every stop will do more to reduce injury risk than any difference in brand or price

Contents

  1. Lead
  2. What Safety Standards Actually Certify
  3. Type A, Type B, Type AB: The Developmental Logic
  4. Vibration and Infant Safety
  5. Handle Height and Caregiver Posture
  6. Practical Selection Framework
  7. Summary
  8. References

Lead

Search "which stroller should I buy?" and you will land on brand comparisons and ranking articles. The links are frequently advertisements, and after reading you are often no clearer on which axis to prioritize.

Safety standards, developmental appropriateness by age, vibration research, and injury epidemiology — these are the topics commercial review sites almost never address. This article works through those four areas with the goal of handing you a framework for judgment rather than a product name.

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