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Is it safe? · Pregnancy Smart

Is wearing a seatbelt while pregnant safe during pregnancy?

Assigned clinical reviewerMichael Yuzefovich· MD, FACOGDraft · pending clinical reviewUpdated

What does the evidence say about wearing a seatbelt while pregnant during pregnancy?

  1. CDC advises pregnant travelers to use a diagonal shoulder strap with a lap belt, place the shoulder belt between the breasts, and keep the lap belt low across the upper thighs below the abdomen. 1
  2. An analysis of 1,066 crash records representing an estimated 387,343 pregnant occupants found three-point belt use was associated with fewer whole-body, brain, thorax, and pelvic injuries after adjustment for occupant and vehicle factors. 2
  3. A survey study found 12.7% of 126 pregnant drivers used the belt incorrectly; placing the shoulder portion under the arm allowed greater forward movement toward the steering wheel. 3
  4. In 39 crash-dummy tests modeling 28 weeks of pregnancy, positioning the lap belt over rather than under the uterus increased measured force transmission through the uterus threefold to fourfold across tested speeds. 4
  5. Current ACOG guidance says to keep about 10 inches between the steering wheel and breastbone, leave the airbag on, and seek medical attention immediately after a crash even without apparent injury. 5

Is wearing a seatbelt while pregnant safe in each trimester?

  • First trimester. First-trimester occupants should begin with correct three-point restraint use, even before the abdomen changes belt fit. Early counseling matters because surveys show some pregnant drivers use the shoulder or lap portion incorrectly.
  • Second trimester. Second-trimester abdominal growth can shift belt fit. Recheck that the lap belt remains low on the hips and upper thighs and the shoulder belt crosses the center of the chest, not the abdomen or neck.
  • Third trimester. Third-trimester space and comfort may decline, but the three-point belt remains recommended. Adjust the seat to maintain pedal control and the greatest practical distance from the steering wheel without reclining enough to spoil belt fit.

Frequently asked questions

Where should the lap belt go during pregnancy?

The lap belt should sit snugly below the belly, across the hips and upper thighs. Do not route it across the abdomen. Crash-dummy testing found much greater uterine force when the lap belt was positioned over the uterus rather than below it.

Where should the shoulder belt go during pregnancy?

The shoulder belt should pass between the breasts and across the center of the chest. It should stay off the neck when possible and should never be placed behind the back or under an arm.

Are pregnancy seatbelt positioners or extenders proven safer?

The cited pregnancy evidence supports the vehicle's properly positioned three-point belt and does not establish crash-outcome benefit for aftermarket pregnancy positioners or extenders. Do not substitute a device that changes belt routing without qualified vehicle-safety guidance.

How far should a pregnant driver sit from the steering wheel?

ACOG advises keeping 10 inches between the steering wheel and the breastbone. Move the seat back while preserving full pedal reach, steering control, an upright belt path, and a clear view. If the wheel tilts, aim it toward the breastbone rather than the belly or head.

Should airbags be turned off during pregnancy?

No. ACOG recommends leaving the airbag switched on while using the lap-and-shoulder belt correctly. Airbags supplement the belt rather than replace it. Sit upright and as far back as practical while maintaining safe vehicle control, and check the vehicle manual for model-specific instructions.

Is a lap-only belt enough during pregnancy?

A lap-only belt is not the preferred configuration. CDC states that a diagonal shoulder strap with a lap belt gives the best protection. When only a lap belt exists, place it low between the abdomen and upper thighs, never across the abdomen.

Does a seatbelt become unsafe in the third trimester?

No. Three-point seatbelt use remains recommended throughout pregnancy. Third-trimester body changes can make correct fit harder, so check the lap and shoulder paths each trip rather than loosening or abandoning the belt.

What should I do after a car crash while pregnant?

Seek medical attention immediately after a crash, even if you do not appear injured. ACOG gives this instruction because pregnancy can require assessment beyond visible injury. Tell the emergency or obstetric team that you are pregnant and follow its monitoring plan.

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References

  1. Pregnant Travelers

    CDC · https://www.cdc.gov/yellow-book/hcp/family-travel/pregnant-travelers.html

  4. Automobile crash simulation with the first pregnant crash test dummy

    PubMed · https://pubmed.ncbi.nlm.nih.gov/8885759/

  5. Car Safety for Pregnant Women, Babies, and Children

    ACOG · https://www.acog.org/womens-health/faqs/car-safety-for-pregnant-women-babies-and-children

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.