Rebelo, Rafaella C.
Pignaton, Estephania
Valeria Bahamondes, M.
Costallat, Lilian T. L.
Appenzeller, Simone
Bahamondes, Luis
Fernandes, Arlete http://orcid.org/0000-0001-5872-0017
Article History
Received: 26 October 2018
Accepted: 25 March 2019
First Online: 2 April 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest. The authors alone are responsible for the content and writing of the paper. LB received honorarium to be a member of an advisory board and has been an invited speaker at scientific meetings for Bayer Healthcare Pharmaceuticals. He is a member of the ICA Foundation without remuneration. The LNG-IUS were donated by the International Contraceptive Access (ICA) Foundation, Turku, Finland, under an unrestricted grant.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Since it was a retrospective study with a review of medical records, the waiver of signature in the consent form was requested and approved in the evaluation of the project.