All screening equipment at the airport security checkpoint is safe for all travelers, including women who are pregnant. Watch this travel tips video if you have questions about the security screening process when traveling while pregnant.
How to Bench Press with proper form: setup on the bench, grab the bar, unrack it, lower it to your mid-chest and press it back up. Bench Press in the Power Rack for maximum safety. Set the safety pins at the proper height so they catch the weight if you fail to lift it.
Dumbells press or flat bench press (use a weight which can lead to failure around 10 + rep range and failure almost by the last set.) Cables press *adjust pulleys to be slightly above the shoulders and take a step forward almost in a lunge positions and push the cables forward work the upper chest.