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Article History

Received: 28 May 2020

Accepted: 25 August 2020

First Online: 4 September 2020

Compliance with Ethical Standards

:

: The authors declare that they have no conflict of interest.

: All the couples have signed consent to the infertility treatment. Given that the couples had already consented (non-opposition) to exploitation of their personal medical data for research purposes and in line with the French legislation on studies of routine medical care (Loi no. 78-17 du 6 janvier 1978 modifiée en 2004 relative à l’informatique, aux fichiers et aux libertés: for all research involving human participants, informed consent to participate in the study should be obtained from participants (or their parent or legal guardian in the case of children under 16)), approval by an independent ethics committee was not required (Ethic committee report of Brest university hospital, 2019). The consents of each couple are available in their medical record and with the corresponding author.

: The manuscript has been read and approved by all authors.