Nnamdi Azikiwe University - Department of Obstetrics and Gynecology, Nnamdi Azikiwe University - Department of Obstetrics and Gynecology, Nnamdi Azikiwe University - Department of Pharmaceutical Sciences, Nnamdi Azikiwe University Teaching Hospital - HIV Care Laboratory/HIV Care Department, Nnamdi Azikiwe University - Paediatrics Department, Nnamdi Azikiwe University Teaching Hospital - Department of Nursing, Nnamdi Azikiwe University - Department of Mass Communication, Nnamdi Azikiwe University - Department of Statistics, University of Port Harcourt Teaching Hospital- Department of Obstetrics and Gynaecology, Obafemi Awolowo University - Department of Obstetrics and Gynecology, University Of Abuja Teaching Hospital - Department of Obstetrics and Gynecology, University of Maiduguri Teaching Hospital - Department of Obstetrics and Gynecology, Aminu Kano Teaching Hospital - Department of Obstetrics and Gynecology, Nnamdi Azikiwe University Teaching Hospital - Department of Obstetrics and Gynecology, Obafemi Awolowo University - Department of Physiological Sciences, Obafemi Awolowo University Teaching Hospitals Complex - Department of Nursing, Nnamdi Azikiwe University - Department of Pharmaceutical Sciences, Nnamdi Azikiwe University - Department of Medical Laboratory Science, Nnamdi Azikiwe University - Department of Medical Laboratory Science, Aminu Kano Teaching Hospital - Department of Obstetrics and Gynecology, Aminu Kano Teaching Hospital - Department of Obstetrics and Gynecology, University of Maiduguri Teaching Hospital - Department of Obstetrics and Gynecology, University of Maiduguri, Borno State - Department of Parasitology & Entomology, University of Port Harcourt Teaching Hospital- Department of Obstetrics and Gynaecology, University of Port Harcourt Teaching Hospital- Department of Obstetrics and Gynaecology, University Of Abuja Teaching Hospital - Department of Obstetrics and Gynecology, University Of Abuja Teaching Hospital - Department of Obstetrics and Gynecology, Aminu Kano Teaching Hospital - Department of Obstetrics and Gynecology, Nigerian Institute of Medical Research - Clinical Sciences Department, Nnamdi Azikiwe University - Department of Obstetrics and Gynecology and Independent