If you are pregnant, the best way to protect yourself and your unborn child when driving or riding in a vehicle is to always wear a seat belt and keep the lap part of the belt as low as possible across the hips.

Advice for Pregnant Women
Each time you have a checkup, ask your doctor if it is okay for you to drive.
To reduce the risk of injuries to both you and your unborn child that can be caused by an inflating front airbag:
Adjusting the Shoulder Anchor
Seat Belt InspectionHonda Civic Owners Manual. With Little Chance of a Collision
The CMBSTM may activate even when you are aware of a vehicle ahead of you, or
when there is no vehicle ahead. Some examples of this are:
When Passing
Your vehicle approaches another vehicle ahead of you and you change lanes to
pass.
At an intersection
Your vehicle approaches or pa ...