EHG	electrohysterogram
EMD	empirical mode decomposition
IMF	intrinsic mode functions
SampEn	sample entropy
RMS	root mean square
MTKE	mean Teager–Kaiser energy
kNN	k-nearest neighbors
SVM	support vector machine
LDA	linear discriminant analysis
Acc	accuracy
Se	sensitivity
Sp	specificity
AUC	area under the curve
SMOTE	synthetic minority oversampling technique
ADASYN	adaptive synthetic sampling approach
GBC	gradient boosting classifier