| Historical versions | Registration number | Public title | Type | Registration time |
|---|---|---|---|---|
| Historical Versions | ChiCTR2400080738 |
Clinical study on human chorionic gonadotropin (HCG) detection kit (latex immunochromatography)
Hebei Maternity Hospital |
Diagnostic test | 2024/02/06 |
| Historical Versions | ChiCTR2400080317 |
Withdraw due to duplicate registration. Effects of commercial fertilization medium on fertilization rate and embryo development in vitro
Hebei Maternity Hospital |
Observational study | 2024/01/26 |
| Historical Versions | ChiCTR2400080019 |
Effects of commercial fertilization medium on fertilization rate and embryo development in vitro
Hebei Maternity Hospital |
Observational study | 2024/01/18 |