Pregnancy Information Center

Information, Symptoms, Treatments and Resources


Leg Cramps During Pregnancy: Your Symptoms Manual


What Leg Cramps During Pregnancy Are

At different times during your pregnancy, you might have sudden muscle spasms or pain in your legs, feet or thigh. They are typically followed by a general ache. They usually occur at night and are more common in the third trimester but can appear as early as the second trimester.


Why Leg Cramps During Pregnancy Happen

Leg cramps are usually due to a change in the way your body processes calcium. Low calcium levels in the blood can cause leg cramps, as well as a salt deficiency. 

How to Relieve Leg Cramps During Pregnancy

  • Gently stretch muscles.

  • Get mild exercise.

  • For sudden cramps, flex your foot up and push into the heel.

  • Eat calcium-rich foods.

  • Ask your doctor about calcium supplements.

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