Journal List > J Korean Orthop Assoc > v.36(5) > 1103407

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Moon, Han, Oh, and Suh: Diastasis of the Symphysis Pubis after Delivery
Original Article

Journal of the Korean Orthopaedic Association 2001; 36(5): 473-478.

Published online: 31 October 2001

DOI: https://doi.org/10.4055/jkoa.2001.36.5.473

Diastasis of the Symphysis Pubis after Delivery

Woo Nam Moon, Jung Youl Han, Han Jin Oh, Seung Woo Suh

Department of Orthopedic Surgery, Samsung Cheil Hospital and Women's Healthcare Center, Sungkyunkwan University, School of Medicine, Seoul, Korea.

Department of Obstetrics and Gynecology, Samsung Cheil Hospital and Women's Healthcare Center, Sungkyunkwan University, School of Medicine, Seoul, Korea.

Department of Family Medicine, Samsung Cheil Hospital and Women's Healthcare Center, Sungkyunkwan University, School of Medicine, Seoul, Korea.

Department of Orthopedic Surgery, Korea University, College of Medicine, Seoul, Korea.

Copyright © by The Korean Orthopaedic Association

Abstract

PURPOSE

The objectives of this study are to observe the clinical characteristics, outcome of treatment and incidence of diastasis of the symphysis pubis after delivery and to evaluate the risk factors of the lesion.

MATERIALS AND METHODS

Seventy-six patients diagnosed with diastasis of the symphysis pubis were reviewed. The diagnostic criteria of diastasis were; 1) positive signs and symptoms of pelvic instability, 2) radiological evidence of widening of the symphysis pubis by more than 6 mm and/or vertical mobility of more than 3 mm, or widening of the sacroiliac joint by more than 4 mm. Several factors that increase the risk of this lesion during delivery were reviewed and analyzed using the chi-square test, t-test, and by logistic regression.

RESULTS

Seventy-six diastasis of the symphysis pubis were diagnosed in 24,089 deliveries during the study period. Joint widening ranged from 3 mm to 34 mm. Twenty-three cases had accompanying vertical mobility. Pain in the pelvic joint and walking difficulty were most common clinical characteristics. History of pelvic girdle relaxation during pregnancy was found to increase the risk of the lesion (P=0.0028).

CONCLUSION

We found that a history of pelvic girdle relaxation during pregnancy was a risk factor of diastasis of the symphysis pubis after delivery. Early detection and satisfying results by optimal treatment are associated with recognizing the lesion's characteristic clinical findings.

Keywords: Symphysis pubis, Diastasis, Delivery, Risk factors, Pelvic girdle relaxation

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