Pregnant women can eat most species of edible mushrooms if they are cleaned first, and cooked thoroughly. This is because the soil on unwashed mushrooms can contain toxoplasma gondii, and raw mushrooms may cause stomach discomfort, too.It's best to avoid activities with a high risk of falling – especially in the last trimester. Shoveling. Call this a pregnancy perk. We generally recommend that pregnant women avoid heavy lifting, and shoveling snow also can exacerbate lower back pain, which is a common complaint in the last half of pregnancyFor pregnant women, gardening increases the risk of exposure to toxoplasmosis, a serious disease organism that causes flu-like symptoms in mothers and can cause mental disabilities and blindness in their unborn children.