Classification (of information) 1 Electrohysterography 1 Electrophysiology 1 Feature Selection 1 Feature selection methods 1 Forecasting 1 Genetic algorithms 1 Imbalance data learning 1 Imbalance datum Machine-learning 1 Preterm labor 1 Preterm labor prediction 1 Resampling method 1 Statistical tests 1 Under-sampling 1 Uterine electromyography 1 electrohysterography 1 genetic algorithm 1 imbalance data learning 1 machine learning 1 preterm labor prediction 1 resampling methods 1 uterine electromyography 1