1. Feto-Maternal Unit, Department of Obstetrics and Gynaecology, University of Calabar, Calabar, Nigeria
2. Department of Family Medicine, University of Calabar, Calabar, Nigeria
3. Department of Obstetrics and Gynaecology, University of Calabar, Calabar, Nigeria
4. Saving Mothers Giving Life Initiative, Pathfinder International, Calabar, Nigeria
5. Fertility Unit, Department of Obstetrics and Gynaecology, University of Calabar, Calabar, Nigeria