RID Given Names Surname Suffix 1. Areana Diogo Nascimento 2. Lucia Alves Silva Lara 3. Ana Carolina Japur de Sá Rosa-e-Silva 4. Rui Alberto Ferriani 5. Rosana Maria Reis AUTHOR’S QUERY SHEET Author(s): A. D. Nascimento et al. Article title: Effects of metformin on serum insulin and anti-mullerian hormone levels and on hyperandro- genism in patients with polycystic ovary syndrome Article no: DGYE 736563 Enclosures: 1) Query sheet 2) Article proofs 3) Track changes manuscript showing language editing Dear Author, Please check these proofs carefully. It is the responsibility of the corresponding author to check against the original manuscript and approve or amend these proofs. A second proof is not normally provided. Informa Healthcare cannot be held responsible for uncorrected errors, even if introduced during the com- position process. The journal reserves the right to charge for excessive author alterations, or for changes requested after the proofing stage has concluded. A version of your manuscript showing the language edits as tracked changes is appended to the typeset proofs. This document is provided for reference purposes only. Please mark all your corrections to the type- set pages at the front of the PDF. Corrections marked to the tracked changes section will not be incorporated in the published document. The following queries have arisen during the editing of your manuscript and are marked in the margins of the proofs. Unless advised otherwise, submit all corrections using the CATS online correction form. Once you have added all your corrections, please ensure you press the “Submit All Corrections” button. AQ1. Please review the table of contributors below and confirm that the first and last names are structured correctly and that the authors are listed in the correct order of contribution. iAQ2. Please carefully check authors name and their affiliations. AQ3. Please provide city name for Beckman Coulter. AQ4. Please provide city name for Rosario.