Probability of second live birth after first natural and medically assisted reproduction-mediated live birth: A historical cohort study.

"CONFLICT OF INTEREST STATEMENT Edgardo Somigliana reports grants from Ferring, grants and personal fees from Merck‐Serono, grants and personal fees from Theramex, personal fees from Gedeon‐Richter, outside the submitted work. Giovanni Corrao received research support from the European Community (EC), the Italian Agency of Drugs (AIFA), and the Italian Ministry for University and Research (MIUR). He took part in a variety of projects that were funded by pharmaceutical companies (i.e., Novartis, GSK, Roche, AMGEN and BMS). He also received honoraria as a member of the advisory board to Roche. The other authors declare that they have no conflicts of interest to disclose."

"FUNDING INFORMATION This work was supported by a research grant from the Italian Ministry of Education, University and Research (“PRIN” 2017, project 2017728JPK). The grant provides financial support for the analysis of data. In addition, the study was also supported in part by the Italian Ministry of Health ‐ Current Research IRCCS."