Among the problems that affect families in several developing countries such as the Democratic Republic of Congo (DRC) there is poverty due to the drop in income and the difficult general economic situation hampered by the Corona virus pandemic which constrains the inhabitants of this country, especially the city dwellers, to resort to multiple survival strategies. This situation weakens most families to exercise their functions, in particular that of a body for the socialization and protection of its members. According to the Ministry of Health, among adolescent girls aged 16 to 21, who represent 41% of the female population of the survey. Getting pregnant comes from the fact that adolescent girls are not informed about how their bodies work, they often do not know the fertile periods, they also ignore the use of condoms as a contraceptive method, as well as the false information that adolescents exchange about sexuality to convince their female partners. (DHS 2014). Indeed, in the city of Gbadolite and, most families with single mothers are prey to conflicts often find their outcome in violence, hatred, defamation or even divorce of the parents, the extent of which cannot be allow different social analysis that is the demographer hence the interest in circumscribing the motivations that contribute to their occurrence and in suggesting possible solutions so that works of youth prepared for their family responsibilities and social.