Table 3 Comparison of business service volumes of various ART and sperm banks in China from January to April in 2019 and 2020
|  | Total services Jan.–Apr | Recovery ratio (%) | |||||
|---|---|---|---|---|---|---|---|
2020 | 2019 | Jan.–Apr | Jan | Feb | Mar | Apr | |
ART service volumes | |||||||
 Outpatients | 4,952,295 | 9,009,000 | 55.0 | 69.7 | 27.8 | 48.7 | 65.1 |
 AIH | 21,229 | 39,711 | 53.5 | 68.9 | 19.3 | 41.8 | 67.0 |
 AID | 3,899 | 8,258 | 47.2 | 59.2 | 16.1 | 37.1 | 61.2 |
 Aspiration cycles | 86,397 | 170,161 | 50.8 | 65.3 | 45.8 | 32.5 | 57.7 |
 Fresh embryo transfer cycles | 31,866 | 66,745 | 47.7 | 65.3 | 42.2 | 29.8 | 50.8 |
 Frozen embryo transfer cycles | 90,550 | 143,854 | 62.9 | 75.3 | 44.7 | 41.4 | 82.6 |
Average | 864,372.7 | 1,572,954.8 | 52.9 | 67.3 | 32.7 | 38.6 | 64.1 |
Sperm banks service volumes | |||||||
 Sperm donors | 2,967 | 7,544 | 39.3 | 53.0 | 2.2 | 14.6 | 71.5 |
 Tubes of qualified semen | 8,741 | 33,409 | 26.2 | 52.5 | 1.5 | 7.5 | 31.0 |
 Tubes of external donor semen | 7,219 | 18,107 | 39.9 | 62.4 | 6.3 | 15.5 | 65.5 |
 Self-sperm preservation | 911 | 1,864 | 48.9 | 64.6 | 11.8 | 38.6 | 74.5 |
 Tubes of self-sperm preservation | 2,992 | 6,410 | 46.7 | 61.5 | 13.5 | 37.6 | 66.5 |
Average | 4,566.0 | 13,466.8 | 40.2 | 58.8 | 7.1 | 22.8 | 61.8 |