Received: 29 April 2019
Accepted: 23 September 2019
First Online: 23 October 2019
Ethics approval and consent to participate
: The analyses reported in this article use primary data from the 2018 Cotonou Fertility and Migration Survey collected by the author. The study was approved by the Ethic Committee of the University College Hospital, University of Ibadan, Nigeria; Registration Number #NHREC/05/01/2008a. Letter of permission to conduct the study was obtained from the Ecole Nationale de la Statistique, de la Démographie, et de la Planification, Benin. Verbal informed consent was sought by the enumerator reading a prescribed statement to the respondent (aged 15–49 years) and recording in the questionnaire whether or not the respondent consented or provided assent on behalf of minors (under 16). Then, the enumerator signs her name attesting to the fact that she read the consent statement to the respondent. The ethics committee approved this procedure.
: Not applicable.
: The authors declare that they have no competing interests.