<p>* Based on 144,018 cycles occurring in the UK between 2003 and 2007 [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0121357#pone.0121357.ref012" target="_blank">12</a>].</p><p>** Model predicting decreasing probability of live birth with increasing female age.</p><p>*** Model predicting decreasing probability of live birth with increasing female age categories (18–34, 35–37, 38–39, 40–42, 43–44 and 45–50 years).</p><p>Area under the receiver-operator curve for IVFpredict and Templeton models, and female age alone, for predicting live birth from 130,960 IVF cycles.</p
