• Colleen M Fitzgerald and Trudy Mallinson.
• Rehabilitation Institute of Chicago, RIC Women's Health Rehabilitation Program, Northwestern University, Feinberg School of Medicine, 345 E. Superior St., #1134, Chicago, IL 60611, USA. cfitzgerald@ric.org
• Int Urogynecol J. 2012 Jul 1;23(7):893-98.

Introduction And HypothesisThe aim of this study is to determine pelvic floor muscle (PFM) function in second trimester women with and without pelvic girdle pain (PGP).MethodsFifty-five pregnant women with and without PGP were recruited in the second trimester who met inclusion for self-reported pain. Vaginal examination was performed assessing superficial and deep PFM tenderness, contract/relax patterns, and muscle strength.ResultsFifty-one patients (26 with PGP and 25 without) were included in the final analyses. Significantly more patients in the PGP group had bilateral levator ani and obturator internus tenderness compared with the no pain group (Fisher's exact test (FET) P < 0.001). No other significant group differences were found.ConclusionThere is an association between PGP and deep but not superficial PFM tenderness in pregnancy. Lack of accompanying PFM dysfunction in PGP during pregnancy may reflect pain duration.

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