| Authors | Country | Years | Reasons for postponement | ||
| organisation | patiente | Medical reason | |||
| Our study | Gabon | 2020 | 83.6% | 11.7% | 4.7% |
| Rakia Arab Malam A. | Niger | 2018 | 53.5% | 41.5% | 5% |
| K. G. Fossi | Cameroon | 2018 | 42.4% | 33.4% | 24.2% |
| Cherif Asma | Morocco | 2019 | 50.2% | 25.6% | 24.2% |
| Aysun Yildiz Altun | Türkiye | 2019 | 19.5% | 41.3% | 39.2% |