<p> International Journal of Gynecology and Obstetrics (IJGO)</p><p>AUTHOR(S) GUARANTEE FORM</p><p>Please submit a completed copy of this author(s) guarantee form with the manuscript</p><p>Title of article ------</p><p>The author(s) guarantee(s) that:</p><p>(1) all authors meet the criteria for authorship and have participated sufficiently in this work to take public responsibility for it; (2) all authors have reviewed the final version of the manuscript and approve it for submission to the IJGO; (3) neither this manuscript nor one with substantially similar content under my/our authorship has been published or is being considered for publication elsewhere; (4) this manuscript has been submitted with the full knowledge and approval of the institutions or organizations given as the affiliation(s) of the author(s); (5) the authors have informed the editor, in a letter accompanying the submitted manuscript, of any commercial or personal association that might pose a conflict of interest. (6) the corresponding author affirms that this manuscript is an honest, accurate, and transparent account of the study being reported; that no important aspects of the study have been omitted; and that any discrepancies from the study as planned (and if relevant, registered) have been explained. </p><p>Please list ALL authors below. Generally, this should be limited to 6 authors; however, if more than 6 authors met the criteria for authorship and a statement to this effect is included in the cover letter, this may be deemed acceptable. ------</p>