How to Set up a Baby Crib

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The correct assembly of a crib is critical for child safety. To set up a crib, you'll need to make sure that all the crib parts are included with the crib and are in working condition. You'll also want to ensure that the crib meets safety standards and has been approved by a consumer protection agency. After you check that the crib is safe for your child, you'll need to carefully follow the instructions that came with the crib in order to assemble it properly. If you take your time, you can set up your baby crib safely and efficiently.

Part 1
Part 1 of 3:

Purchasing and Unboxing the Crib

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  1. Purchase a crib that has been approved by either the Consumer Product Safety Commission (CPSC) or Juvenile Products Manufacturers Association (JPMA) so that you know it’s safe for children. You can typically find this information on the packaging or in the product details. [1]
    • Read reviews for the crib online before you buy it.
    • If you received a crib as a gift, check online to see if it meets safety standards.
    • Be sure to choose a crib that you can exchange if needed, such as if it does not meet safety standards or if it does not work for your child’s room.
  2. Certain models of cribs are recalled because they are found to be faulty or dangerous. Buying an unsafe crib puts your child in danger and increases the chances of Sudden Infant Death Syndrome or SIDS. If you are buying a used crib or receive a used crib, check on the official website to make sure that the model was not recalled. [2]
    • Visit https://www.recalls.gov to make sure the crib wasn’t recalled.
    • Manufacturers will stop the sale of a crib in stores or online once it’s been recalled.
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  3. Move all of the crib parts to the nursery or the room your child will sleep in. Certain cribs are large once they are fully assembled and it may be difficult to fit them through doorways or up a staircase.
    • Most crib parts will come in a cardboard box. Move the entire box rather than unpacking it first.
  4. Take the parts out of the box and lay them out onto the ground. Reference the instruction manual and double-check that all the required parts came in your package. Look for chipped, cracked, or malformed pieces. If the piece that came with the crib doesn’t look like what’s in the instruction manual, it’s possible that you got the wrong part in your package.
    • Common crib parts include screws, bolts, headboard, footboard, support spring, and side panels.
    • If you are missing pieces or find defective pieces, contact the crib manufacturer and request that they send you new ones.
    • Ensure that all pre-assembled parts are properly constructed and screwed together. Loose pieces could create a hazard for your child.
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Part 2
Part 2 of 3:

Assembling the Crib

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  1. It’s easier to assemble most cribs with the assistance of someone else. Ask family members or friends if they can help you put the crib together.
    • Say something like, “Hey, I need to put together this crib for Mikey and I need some help. Would you mind lending me a hand?”
  2. There are several models and brands of cribs that are all assembled in different ways. Make sure to follow the directions precisely as they are in the manual, even if they differ from these directions. Improper assembly of a crib poses a serious health risk to your child.
    • There may be tips or warnings in the instruction manual that could keep your child safer in the crib.
    • If the directions are missing, you can usually visit the crib manufacturer's website to find an online set of instructions.
  3. Hold the legs of the crib against the headboard so that the appropriate screw holes match up. Screw the legs of the crib to the headboard with an Allen wrench or screwdriver. Repeat the process with the other 2 legs and the footboard. [3]
    • Many cribs will come with the appropriately sized Allen wrench.
    • Some cribs will have the headboard and footboard already attached the crib legs.
  4. You should have 2 side pieces with slats in them. Make sure that the slat is on the correct side, then line it up with the holes on the headboard. Use an Allen wrench or screwdriver to screw the first side piece into the headboard. Then, go to the other side of the bed and attach the other side of the crib to the headboard the same way. [4]
    • There are typically at least 3 screws that attach the side of the crib with the headboard.
    • Don’t turn the screws too hard or you may crack or damage the frame of the crib. Tighten them enough so they are tight but not embedded in the wood.
  5. Usually, cribs will have support springs that hold up the mattress. Place the spring up against the headboard and side slats and screw it in with the appropriate screws. [5]
    • Typically, the mattress support spring will be attached to both the headboard, side slats, and footboard.
  6. Line the footboard up with the side slats so that the screw holes match up. Place the screws into the holes and use your Allen wrench or screwdriver to tighten them into the side slats first. Then, finish attaching the mattress support spring to the footboard of the crib. Ensure all the screws are tight before moving onto the next step. [6]
    • Typically, there will be 3 screws on each side of the footboard that attach to the side slats.
  7. The mattress should only be about 6 inches (15 cm) high and there shouldn’t be empty spaces on the sides of the mattress. Press down on the center of the mattress with your hand to make sure the crib is secure. It should not bend or break when you apply pressure. [7]
    • If there is space around the mattress, you should buy a bigger mattress that fits the crib properly.
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Part 3
Part 3 of 3:

Making Sure the Crib is Safe

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  1. If you can fit more than 2 fingers in between the mattress and the crib, the crib is unsafe. Your child could get wedged in between the crib frame and the mattress. Measure the inside of the crib frame and purchase a mattress that fits it perfectly. [8]
    • Ensure that the sheet or mattress protector is tight fitting as well.
  2. These items pose a suffocation and strangulation hazard for young infants and children and should not be put in the crib while the baby sleeps. Don’t let the baby sleep with any of these items until they are at least 12-months-old. [9]
    • Keeping blankets, bumpers, and other soft items out of the crib will also reduce the chances of Sudden Infant Death Syndrome. [10]
    • Use sleep sacks instead of blankets to keep your baby warm. These are wearable blankets that go over their pajamas.
  3. Your child could get their arms, legs, or head stuck if the area in between the slats if they are too wide. Measure the spaces in between the slats with a tape measure or ruler and ensure that they are less than 2.37 in (6.0 cm) wide. [11]
    • Make sure that there are no large holes in the headboard or footboard or your baby could get stuck in them.
    • If the slats are too large in your crib, purchase another one.
  4. Placing the crib near a window could create a falling hazard for your child. In addition, things like draperies, blinds, and curtains create a strangulation hazard for a child. [12]
    • Keep the crib away from the wall because it's possible that your child could get wedged between the wall and the crib.
  5. Putting your child to sleep on their back reduces the likelihood of SIDS. Do not put your child on their side or stomach because it increases the likelihood of suffocation. [13]
    • Do not put your baby to sleep on their side because they could roll over on their stomach.
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Expert Q&A

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  • Question
    When should I transition my baby to a crib?
    Julie Wright, MFT
    Parenting & Baby Sleep Specialist
    Julie Wright is a Marriage and Family Therapist and the co-founder of The Happy Sleeper, which offers sleep consulting and online baby sleep classes. Julie is a licensed psychotherapist specializing in babies, children, and their parents, and the co-author of two best selling parenting books (The Happy Sleeper and Now Say This) published by Penguin Random House. She created the popular Wright Mommy, Daddy and Me program in Los Angeles, California, which provides support and learning for new parents. Julie's work has been mentioned in The New York Times, The Washington Post, and NPR. Julie received her training at the Cedars Sinai Early Childhood Center.
    Julie Wright, MFT
    Parenting & Baby Sleep Specialist
    Expert Answer
    To help transition your baby to their new crib, try introducing them to it during the day. You can have some playtime in the crib or sing and talk to your baby while they're in the crib to help them develop positive associations with it.
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      References

      1. ↑ https://www.safekids.org/tip/sleep-safety-and-suffocation-prevention-tips
      2. ↑ https://www.safekids.org/tip/sleep-safety-and-suffocation-prevention-tips
      3. ↑ https://youtu.be/0dh7AKQ544c?t=1m2s
      4. ↑ https://youtu.be/frQgu-GZHy4?t=14m7s
      5. ↑ https://youtu.be/frQgu-GZHy4?t=15m19s
      6. ↑ https://youtu.be/frQgu-GZHy4?t=20m25s
      7. ↑ http://www.oeufimages.com/images/manuals/2018%20Manuals/Cribs_CribSides/+71206_US_Sparrow_Crib_v1.pdf
      8. ↑ https://www.cpsc.gov/safety-education/safety-guides/cribs/crib-safety-tips
      9. ↑ https://www.cpsc.gov/safety-education/safety-guides/cribs/crib-safety-tips
      1. ↑ https://www.babycenter.com/404_when-can-my-baby-sleep-with-a-stuffed-animal-or-doll_1368443.bc
      2. ↑ https://www.cpsc.gov/safety-education/safety-guides/cribs/crib-safety-tips
      3. ↑ https://www.cpsc.gov/Newsroom/Multimedia/?vid=61784
      4. ↑ https://www.cpsc.gov/Newsroom/Multimedia/?vid=61784

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