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How to Choose a Baby Crib

CategorySleep
How to Choose a Baby Crib

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.

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What’s Inside

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.
  • Playpen-crib: Portable, foldable for travel.
  • 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

Frequently Asked Questions About Choosing a Baby Crib

What type of crib is best for a newborn?

A classic crib or a convertible crib is usually the best choice if you plan to use it for several years. Bassinets and bedside sleepers can be convenient during the first months of life, but babies typically outgrow them by 5–6 months.

What should I look for when choosing a safe crib?

Check that the slats are no more than 6 cm (2.4 inches) apart and that the crib sides are at least 50 cm (20 inches) high. The mattress should fit snugly without gaps, and the crib should not have sharp edges, decorative elements, or unsafe moving parts.

What should be inside a newborn's crib?

For safe sleep, a baby only needs a firm mattress with a fitted sheet. Pillows, blankets, soft toys, and non-breathable crib bumpers are not recommended because they can increase the risk of suffocation and sudden infant death syndrome (SIDS).

What material is best for a baby crib?

Natural wood, such as beech, birch, or oak, is considered a durable and safe option. It is also important to choose a crib with a water-based finish that does not contain harsh chemicals or have a strong odor.

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.