Thirty minutes of moderate exercise a day is always encouraged during pregnancy, but there are definitely some safety guidelines you should follow when keeping fit while pregnant—not to mention some activities you should skip altogether. Get the rundown on what not to do: Don’t exercise at all if you have…

Heart or lung disease

Incompetent cervix or cerclage

Placenta previa

Ruptured membranes

Preeclampsia

Multiples or another condition that puts you at risk for going into premature labor

Steer clear of…

Exercising to the point of exhaustion

Exercising while lying on your back during the second and third trimesters

Raising your body temperature too much (Drink plenty of water, wear loose-fitting clothes, and avoid working out in rooms with elevated heat—i.e., skip the hot yoga)

Activities that up your risk of falling and hurting your abdomen (such as basketball, soccer, skiing, in-line skating, gymnastics, horseback riding and racquet sports)

Scuba diving—it’s not safe at any point during your pregnancy

Call your doctor if you experience…

Muscle weakness

Vaginal bleeding

Calf pain or swelling

Dizziness

Headache

Overheating

Pain in your pubic bone area

Shortness of breath

Cramps

Chest pain

Severe nausea

Leakage of amniotic fluid

Please note: The Bump and the materials and information it contains are not intended to, and do not constitute, medical or other health advice or diagnosis and should not be used as such. You should always consult with a qualified physician or health professional about your specific circumstances.

Heart or lung disease

Incompetent cervix or cerclage

Placenta previa

Ruptured membranes

Preeclampsia

Multiples or another condition that puts you at risk for going into premature labor

Exercising to the point of exhaustion

Exercising while lying on your back during the second and third trimesters

Raising your body temperature too much (Drink plenty of water, wear loose-fitting clothes, and avoid working out in rooms with elevated heat—i.e., skip the hot yoga)

Activities that up your risk of falling and hurting your abdomen (such as basketball, soccer, skiing, in-line skating, gymnastics, horseback riding and racquet sports)

Scuba diving—it’s not safe at any point during your pregnancy

Muscle weakness

Vaginal bleeding

Calf pain or swelling

Dizziness

Headache

Overheating

Pain in your pubic bone area

Shortness of breath

Cramps

Chest pain

Severe nausea

Leakage of amniotic fluid