This chair, made of wood, leather and iron, offered optimal birthing comfort two centuries ago:
The seat shape allows a clear route for the emerging baby and access for those assisting the birth. The chair is also known as a parturition chair. They were used from ancient times until the 1800s. The grooved parts on the bottom of the frame were used for leg rests, which the mother would use for support and to press against.
Link -via Curious History | Photos: The Science Museum