Preconception care in sub-Saharan Africa: A systematic review and meta-analysis on the prevalence and its correlation with knowledge level among women in the reproductive age group

Demelash Woldeyohannes, Yohannes Tekalegn, Biniyam Sahiledengle, Zeleke Hailemariam, Desta Erkalo, Abraham Zegeye, Habtamu Tamrat, Akililu Habte, Aiggan Tamene, Fitsum Endale, Biruk Ertiban, Tekle Ejajo, Lolamo Kelbiso, Lombamo Liranso, Fikreab Desta, Dejene Ermias, Lillian Mwanri, Joanne C. Enticott