1. Ekabua JE, Itam IH The safety and complications of norplant use in Calabar. Trop Doct 2007;37:37-9.
2. Emuveyan EE Advances in contraception. In: Kwawukume EY, Emuveyan EE, editors. Comprehensive Gynaecology in the Tropics. Accra: Graphics Packaging; 2005. pp. 233-41.
3. Kolawole OO, Sowemimo OO, Ojo OO, Fasubaa OB Contraceptive implants: A review and current perspective in Southwest Nigeria. Trop J Obstet Gynecol 2018;35:108-12.
4. World Health Organization Department of Reproductive Health and Research (WHO/RHR) and Johns Hopkins Bloomberg School of Public Health/Center for Communication Programs (CCP), Knowledge for Health Project. Family Planning: A Global Handbook for Providers (2018 Update). Baltimore and Geneva: CCP and WHO; 2018. Available from: https://apps.who.int/iris/bitstream/handle/10665/260156/978099920370. [Last accessed on 2022 May 2].
5. Utilization and discontinuation of contraceptive methods: The University of Calabar Teaching Hospital (UCTH) experience;Njoku;J Med Public Health,2014