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Symphysis Pubis Dysfunction
Your symphysis pubis are the two bones that connect to form your pelvis. Shaped like a heart, your pelvis is formed by three separate bones that are held together by very tough ligaments. Traditionally, these bones are not designed to allow movement to occur. When you are pregnant however, a hormone called relaxin is produced which allows the pelvis to move slightly during birth. The reason this occurs is because the hormone actually works to loosen the ligaments holding the bones together.
When the ligaments loosen too much, a condition called symphysis pubis dysfunction can occur. When this happens, the pelvis joints become unstable and move around. The growing child makes matters worse because of the intense weight bearing down on these bones, and can actually cause the join to separate. Mild to severe pain in the pubic area are characteristics of this disorder.
If you suspect you have symphysis pubis dysfunction, there are symptoms that will aid in the diagnosis. Pain and difficulty walking are the most common sign of SPD, which can make simple activities like getting in and out of a car, turning over in bed and even getting dressed extremely difficult and painful. The pain is typically felt in the pubic area, but can also be felt throughout the inner thighs, the hips and in your buttocks. There's no treatment for SPD, but after birth when the hormone relaxin ceases production, the ligaments will return to their normal state and the symptoms will slowly start to disappear.