The present disclosure relates to a computer-implemented method for predicting a risk of an infant developing bronchopulmonary dysplasia (BPD), the method comprising the steps of: obtaining a dataset, of the infant, comprising a. clinical data; b. lung maturity data; and c. gastric aspirate (GAS) data; analysing said dataset, thereby obtaining an analysed data result; and based on said analysed data result predicting the risk of the infant developing BPD..