How to Choose a Baby Crib

CategorySleep

⏱️ Reading time: 4 minutes

Medically reviewed by pediatrician Alexandra Zglavosiy

A baby’s crib should be both comfortable and safe. Choose natural wood, slats no wider than 6 cm, sides at least 50 cm high, and a firm mattress with no gaps. A bassinet works for 5–6 months; a classic or convertible crib lasts longer. Pillows, toys, and non-breathable bumpers should not be used.

What’s Inside

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Quick takeaways

Classic crib or transformer — ideal for long-term use (up to 3–5 years). A bassinet suits the first 5–6 months but is quickly outgrown.

Safety first: Slats no wider than 6 cm, sides at least 50 cm tall.

Firm mattress with no gaps around edges. No pillows/toys — reduces SIDS risk.

Choose natural wood cribs with water-based finishes.

Useful extras: Adjustable base (for growth) and removable side (for co-sleeping).

Types of Cribs

  • Classic wooden crib: Standard fixed sides. May include rocking or pendulum mechanisms.
  • Bassinet: Compact for newborns, typically used up to 6 months.
  • Co-sleeper: Attaches to parents’ bed for nighttime feedings.
  • Transformer crib: Converts into a sofa, playpen, or desk. Space-consuming but practical.
  • For long-term use: Classic or transformer. For newborns: bassinet/co-sleeper.

Safety Checklist

  • Slat spacing: ≤6 cm to prevent entrapment.
  • Side height: ≥50 cm to prevent falls.
  • Locking mechanism: Secure wheels/pendulum if present.
  • Mattress: Snug fit with no gaps.
  • No sharp edges/decor that could injure.
  • No pillows, blankets, soft toys, or non-breathable bumpers — SIDS risk.
  • Avoid drop-side rails due to malfunction risks.

Best Materials

Natural wood (beech, birch, oak) with water-based, non-toxic finishes.

Durable, hypoallergenic, and safe.

Optional Features

  • Pendulum mechanism: For rocking (optional)
  • Adjustable base: Lowers as baby grows
  • Removable side: For co-sleeping setups
  • Storage drawers: For diapers and baby items

FAQs

— When can a regular crib be used?

From birth. Ensure a proper mattress and safe sleep practices.

— Is a bassinet worth buying?

Yes if space allows, but babies outgrow them by 5–6 months.

— Are bumpers/pillows safe?

No until 12 months — they increase suffocation and SIDS risks.

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With care

Our articles are based on evidence-based medicine and reviewed by pediatricians. However, they do not replace a consultation with your doctor. Every child is unique — if you have any concerns, please consult a medical professional.

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Sources

  • Engel M, Ahlers-Schmidt CR, Suter B. Safe Sleep Knowledge and Use of Provided Cribs in a Crib Delivery Program. Kans J Med. 2017 Aug 30;10(3):1-8. PMID: 29472971; PMCID: PMC5733451. https://pmc.ncbi.nlm.nih.gov/articles/PMC5733451/. Accessed 7 Apr. 2025.
  • Recommendations for safe sleeping environments for infants and children. Paediatr Child Health. 2004 Nov;9(9):659-672. doi: 10.1093/pch/9.9.659. PMID: 19675857; PMCID: PMC2724135. https://pmc.ncbi.nlm.nih.gov/articles/PMC2724135/. Accessed 7 Apr. 2025.