Series of events that take place in the genital organs in an effort to expel the viable products of conception out of the womb through the vagina into the outer world is called labor. Also called “Eutocia” DELIVERY is expulsion or extraction of a viable fetus out of the womb . It is not synonymous with labor Delivery can take place without labor as in elective caesarean section It may be vaginal, either spontaneous or aided or it may be abdominal Labor is called normal if it fulfils the following criteria's: Spontaneous and at term With vertex presentation Without undue prolongation Natural termination with minimal aids Without having any complications affecting the health of a mother and/or baby ABNORMAL LABOR Any deviation from the definition of normal labor is called as abnormal labor Thus labor in a case with presentation other than vertex or having some complications even with vertex presentation affecting the normal course of labor or modifying the nature of termination or affecting the health of mother or baby is called abnormal labor.

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