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Causes of Neck Pain During Pregnancy

author image Kirstin Hendrickson
Kirstin Hendrickson is a writer, teacher, coach, athlete and author of the textbook "Chemistry In The World." She's been teaching and writing about health, wellness and nutrition for more than 10 years. She has a Bachelor of Science in zoology, a Bachelor of Science in psychology, a Master of Science in chemistry and a doctoral degree in bioorganic chemistry.
Causes of Neck Pain During Pregnancy
Several characteristics of pregnancy can lead to neck pain.

Pregnancy alters a woman's body so much, sometimes it's hard to keep up with the monthly, weekly or even daily developments. While many early pregnancy symptoms are due to changing hormone levels, later pregnancy stresses a woman's body with the weight of a growing baby. Particularly hard on the mother is that all of the weight is in the front of her body, which can cause changes in posture and balance issues. As a result, many women experience neck pain for one reason or another during pregnancy.

Postural Changes

A normal human backbone is slightly recurved--it bows naturally outward near the bottom of the ribcage, bows in at the neck and small of the back, and then back out again at the top and bottom ends of the spine. This shape helps maximize spinal elasticity and minimize the potential for injury while supporting muscles and allowing for two-legged movement under normal circumstances. The extra weight of a baby in the lower portion of a woman's abdomen changes the curvature of her spine significantly, which can stress muscles of the lower back. As the back is thrown out of its accustomed balance, upper back and shoulder muscles work to compensate, which in turn can cause neck pain. In their book, "What To Expect When You're Expecting," authors Heidi Murkoff and Sharon Mazel suggest that tight neck muscles benefit from gentle stretching. They recommend slowly tilting the head from side to side and back and forth to ease pain.

Lack of Exercise

Early in pregnancy, women often experience extreme fatigue. The second trimester brings a burst of energy for many, but increased weight and decreased mobility in the last months of pregnancy find many women avoiding the gym. This can result in both tight and atrophying muscles, particularly in the upper back. In his book, "What You Didn't Think to Ask Your Obstetrician," Dr. Raymond Poliakin notes that changing hormone levels soften joints, meaning that ligaments do less--and therefore muscles must do more--to hold those joints in place. If muscles atrophy, joints may become loose, and compress nerves, leading to pain. Particularly for women who spend long periods of time reading or on the computer, these factors, coupled with a hunched posture that people often assume while typing can create and exacerbate neck pain.

Exercise-related Injury

Even women with the best of intentions who find the time to hit the gym regularly during pregnancy can find themselves struggling with neck pain. Changes in body habits make it difficult to anticipate which parts of a typical workout routine will be helpful and which exercises might hurt a pregnant body, in which weight is distributed differently. Women who have back or neck pain and who have been working out regularly may have injured the neck as a product of those workouts, notes Discovery Health online. In particular, abdominal exercises--which some pregnant women undertake to prepare for labor--run the risk of hurting the back and neck. Since it's quite a bit harder to perform sit-ups with a pregnant belly, pregnant women tend to lead with the head, which can strain the neck and lead to pain. It's worth noting that most physicians don't recommend exercises that require lying on the back for a long period of time after the second trimester, but even early in pregnancy, women should take care to avoid neck injury while working out.

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  • "What to Expect When You're Expecting"; Heidi Murkoff and Sharon Mazel; 2008
  • "What You Didn't Think to Ask Your Obstetrician"; Raymond Poliakin, M.D.; 2007
  • Discovery Health: Neck Pain
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