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Pubic symphysis
Medical expert of the article
Last reviewed: 07.07.2025
The pubic symphysis (symphisis pubica) connects the symphysial surfaces of the two pubic bones, between which is located the fibrocartilaginous interpubic disc (discus interpubicus). This disc contains a narrow, sagittally oriented slit-like cavity. The pubic symphysis is strengthened by ligaments. The superior pubic ligament (lig. pubicum superius) passes transversely along the upper edge of the symphysis and connects both pubic bones. The arcuate pubic ligament (lig. arcuatum pubis) is adjacent to the symphysis from below.
The pubic symphysis has distinct sexual characteristics. In women, this joint is lower and thicker than in men. In women, small movements are possible in the pubic symphysis during childbirth.
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