What if I’m pregnant? Is Fields of Fear safe for me? Posted byuser April 24, 2019 Leave a comment on What if I’m pregnant? Is Fields of Fear safe for me? The Firegrounds are safe, but you and your doctor should discuss the risks of participating in the other activities. The Cornightmare and the Forest may include startling sounds and noises, uneven terrain and crowded areas. The hayride involves bumps and sudden stops and starts, so generally we recommend that pregnant women avoid the hayride.