PLOD1 and Infertility: In RF models, the majority of the top features are shared, including age (years), paternal age (years), embryo score of the 1st embryo, LH (IU/L), AMH (pmol/L), TSH (mIU/L), FSH (IU/L), BMI (kg/m2), day of the transfer, number of follicles and duration of infertility (years).