“…While unprotected sexual intercourse is the basic reason for unintended pregnancies, this individual behaviour is strongly influenced by interpersonal, institutional, social and structural level factors. These determinants are context-specific and are not always linked in a direct causal pathway to the particular health behaviour, making adolescent pregnancy, increasingly referred to as, a complex issue ( Nelson, Edmonds, Ballesteros, Encalada Soto, & Rodriguez, 2014 ). The CERCA Project took this complexity into account in its design and implementation; e.g.…”