1. Department of Obstetrics and Gynaecology Benjamin Carson (Snr) School of Medicine Babcock University Ilishan‐Remo Nigeria
2. Department of Obstetrics and Gynaecology Federal Teaching Hospital Ido‐Ekiti Nigeria
3. Department of Obstetrics and Gynaecology University College Hospital Ibadan Nigeria
4. Department of Obstetrics and Gynaecology Lagos University Teaching Hospital Idi‐Araba Nigeria
5. Department of Obstetrics and Gynaecology College of Health Sciences Ladoke Akintola University of Technology Osogbo Nigeria
6. Department of Obstetrics and Gynaecology Federal Medical Centre Abeokuta Nigeria
7. Centre for Research in Reproductive Health Sagamu Nigeria
8. UNDP/UNFPA/UNICEF/WHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction (HRP) Department of Reproductive Health and Research World Health Organization Geneva Switzerland