Time To Modify Your Routine?
Can I keep working out at the gym throughout pregnancy? Which machines are best to use, and which should I avoid? - Kim in Venice, California
The expert answers
If you were working out prior to pregnancy, and if you aren't having any complications with your pregnancy, it is probably just fine to continue working out at your gym. Double check with your healthcare provider just to be sure.
During the first trimester, you can continue using all the machines you were using pre-pregnancy. You may have to adjust the amount of resistance if you're feeling tired or low-energy. Once you enter your second trimester, avoid any machines that require you to be in a back-lying position -- that includes the bench press. You can still work your chest effectively in a sitting position using hand weights or the flye machine.
As your belly and breasts get larger, you may find that sitting in the machines is too uncomfortable. At that point, switch to free weights for your workouts. I would definitely recommend that you continue to work all of your major muscle groups including biceps, triceps, shoulders, chest, back, calves, hamstrings, quadriceps (thighs), gluteals (buttocks), abdominals, and pelvic floor.