Table 1 Geographic distribution of survey respondents by survey date
From: A 10-year follow‐up on the practice of luteal phase support using worldwide web‐based surveys
January 2019 | January 2018 | June 2012 | August 2009 | |||||
|---|---|---|---|---|---|---|---|---|
Continent | Estimated annual IVF cycles | No. of IVF units | Estimated annual IVF cycles | No. of IVF units | Estimated annual IVF cycles | No. of IVF units | Estimated annual IVF cycles | No. of IVF units |
USA & Canada | 35,200 | 35 | 44,900 | 52 | 26,200 | 52 | ||
Central & South America | 9000 | 27 | 31,100 | 59 | 13,300 | 46 | ||
Australia & New Zealand | 14,200 | 4 | 15,400 | 12 | 17,900 | 14 | ||
Asia | 75,600 | 69 | 64,900 | 90 | 63,300 | 89 | ||
Europe | 112,200 | 120 | 153,400 | 200 | 150,700 | 185 | ||
Africa | 19,900 | 17 | 12,700 | 24 | 13,200 | 22 | ||
Total | 266,100 | 272 | 322,400 | 437 | 284,600 | 408 | 51,155 | 97 |