Does a prediction model for pregnancy of unknown location developed in the UK validate on a US population?

BACKGROUND A logistic regression model (M4) was developed in the UK to predict the outcome for women with a pregnancy of unknown location (PUL) based on the initial two human chorionic gonadotrophin (hCG) values, 48 h apart. The purpose of this paper was to assess the utility of this model to predict the outcome for a woman (PUL) in a US population… CONTINUE READING