The results were analyzed using a narrative approach and thematic analysis of the original quotations [20, 21]. Disagreements were resolved through discussion until a consensus was reached. After reviewing all of the literature, seven categories emerged [52]: adolescent pregnancy, contraceptive use and access, menstrual hygiene management (MHM), sexually transmitted infections (STI) and HIV, SRH information/knowledge/access, overview of the main SRH needs, other issues related to SRH (sexual and gender-based violence and child, early and forced marriage or partnership).

Among 1290 studies screened by abstracts, 32 met the eligibility criteria; 15 were qualitative studies [22,23,24,25,26,27,28,29,30,31,32,33,34,35,36], 10 were quantitative [6, 37,38,39,40,41,42,43,44,45] and seven were mixed-methods studies [46,47,48,49,50,51,52]. The PRISMA flowchart of included studies is shown in Fig. 1.

More than 50% [6, 9, 22,23,24, 26, 27, 29, 31,32,33,34,35,36,37,38,39, 41,42,43,44, 46, 49,50,51,52], 12 studies were published between 2017 and 2020 [21, 25, 26, 28, 32, 35, 36, 38, 39, 38,39,40,41,42,43,44,45,46,47], one was published in 2013 [30] and two in 2010 [44, 48].

There were 20 studies with female participants only [9, 22,23,24,25,26, 29, 30, 33,34,35,36, 38, 40,41,42,43, 49, 50], and 12 studies with female and male participants [22, 25, 28,29,30, 32, 40, 46, 48, 50]. Parents, non-governmental organizations workers, and health workers were interviewed regarding their opinion of the AGYW's SRH issues. [22, 30, 33, 36, 48, 52].

Most of the studies were performed in African countries: nine in Uganda [32, 35, 37, 40,41,42, 47, 48, 52], four in Nigeria [26, 43, 49,