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Being a retrospective chart review, we did not have to obtain individual patient consent for the study. Moreover, the Institutional Review Board waived the need for individual patient consent. Strict patient confidentiality was maintained at all stages of the study.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"Misoprostol used in this study was donated to the Regional Hospital Bamenda through the Life For African Mothers (LFAM) Charity Organisation in collaboration with International Health Partners (IHP) and Pfizer Drug Company. Neither LFAM, IHP nor Pfizer were involved in the design, execution or write up of this project. The authors do not have any conflicts of interest to declare in relation to any of the above organisations.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"257"}}