The House Committee on Education and Labor Report on the PWFA has provided several examples of possible reasonable accommodations.
Ability to sit
Availability to drink water
Receive closer parking
Have flexible hours
Receive appropriately sized uniforms and safety apparel
Receive additional break time to use the bathroom, eat, and rest
Take leave or time off to recover from childbirth
Be excused from strenuous activities and/or activities that involve exposure to compounds not safe for pregnancy