. "NICHD"^^ . "Regularity of Uterine Contraction"^^ . "Regularity of Uterine Contraction"^^ . "Regularity of Uterine ContractionPTNICHD" . "C92868"^^ . "Regularity of Uterine ContractionPTNCI" . "The nature and pattern of occurrence for the uterine contractions during labor.NCI" . . "C1285992"^^ . . . . "Qualitative Concept"^^ . .