Infertility and spontaneous abortion
General categories of infertility, by developing status and region (WHO study)
| Categories |
Developed countries |
Africa |
Asia |
Latin America |
East Mediterranean |
| Became pregnant |
12 |
15 |
16 |
13 |
15 |
| No cause found in both |
14 |
5 |
13 |
10 |
3 |
| Female cause only |
31 |
37 |
34 |
25 |
25 |
| Male cause only |
22 |
8 |
13 |
22 |
19 |
| Causes found in both |
21 |
35 |
24 |
30 |
38 |
Cates W, Farley TMM, Rowe PJ. Patterns of infertility in the developed and developing worlds. In: Rowe PJ, Vikhlyaeva EM, editors. Diagnosis and treatment of infertility. Toronto: Hans Huber Publishers; 1988. p. 57-67.
Edited by Aldo Campana,