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The investigators plan to retrospectively analyze clinical data from 14,189 fresh ICSI cycles in Reproductive and Genetic Hospital of CITIC-Xiangya from January 2016 to December 2017.The investigators will regard total progressive sperm number of 2 x 10^6 after pretreatment as the boundary value, and will divide total progressive sperm number of 2 x 10^6 after pretreatment into 2 x 10^6 or higher and < 2 x 10^6 groups, and will further divide < 2 x 10^6 group into: = 0, (0,10^6], (10^6, 2 x 10^6) three groups. Propensity score matching will be used to balance the baseline data between four groups. The matching variables are age, female BMI, AFC, AMH and ICSI.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| group1 | A+B grade sperm count after treatment=0 |
| |
| group2 | 0\ |
| |
| group3 | 10^6\ |
| |
| group4 | A+B grade sperm count after treatment≥2*10^6 |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| semen pretreatment | Other | semen pretreatment |
|
| Measure | Description | Time Frame |
|---|---|---|
| high quality embryo rate for ICSI | rate of embryo grade above 6CI on the third day after fertilization | two years |
| Measure | Description | Time Frame |
|---|---|---|
| fertilization rate of ICSI | number of fertilized oocytes/ number of metaphase II oocytes | two years |
| normal fertilization rate of ICSI | number of 2PN fertilized oocytes/ number of metaphase II oocytes |
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Inclusion Criteria:
Exclusion Criteria:
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Infertile couples take ART treament due to poor male semen quality.
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| Name | Affiliation | Role |
|---|---|---|
| Liang Hu, MD,PHD | Reproductive & Genetic Hospital of CITIC-Xiangya | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Reproductive & Genetic Hospital of CITIC-XIANGYA | Changsha | Hunan | 410008 | China |
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| ID | Term |
|---|---|
| D009845 | Oligospermia |
| D007246 | Infertility |
| ID | Term |
|---|---|
| D007248 | Infertility, Male |
| D005832 | Genital Diseases, Male |
| D000091662 | Genital Diseases |
| D000091642 | Urogenital Diseases |
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| two years |
| D052801 |
| Male Urogenital Diseases |