Table 2. Summary of the studies included for the determinants of adolescent pregnancy.

Reference	Type of study	Population selected for the study	Time frame of the study	Region	Conclusion
Akanbi et al. [14] (2021)		8,448 teenage females of age 15-18 years	2018	Nigeria	The determinants of pregnancy involve living with a significant other, having no education, fewer health checkups in one year, knowledge of family planning, 18-19 years of age group, living in a village, and poverty.
Beyene et al. [13] (2015)	Facility-based quantitative cross-sectional study	783 randomly selected teenage females	January to April 2014 (four months)	Assosa General Hospital, Ethiopia	Educational attainment, age, marital status, work status, household earnings, and the use of various contraception methods were the major determinants of teenage pregnancy. It was also noted that open-ended communications with parents, health checkups at school, and allowing young women to work acted as protective factors for preventing teenage pregnancy.