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dys·func·tion·al la·bor(dis-fungk'shŭn-ăl lā'bŏr)
Presentation in which impedance or delay causes difficulty.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Abnormal progress of dilation and/or descent of the presenting part.
See also: labor
Medical Dictionary, © 2009 Farlex and Partners