In this study, perception of pain, length of labor, and amount of pain medicationrequired by 64 primigravid women, aged 15-33, who attended varying hours of childbirth classes was measured. Based on the number of hours of childbirth preparation subjects were divided into three groups. No statistically significant differences were found between hours of childbirth preparation and pain perception, length of labor or amount of pain medication used during labor. A clinically relevant finding was that younger, less formally educated women with fewer hours of childbirth education had the longest labors (12.1 hours versus 10.1 and 8.6 hours).
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