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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| pregnancy loss group | the times of pregnancy loss more than or equal to twice | ||
| normal control group | no history of pregnancy loss |
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| Measure | Description | Time Frame |
|---|---|---|
| NETs level | Neutrophil extracellular traps (NETs) are networks of extracellular fibers, primarily composed of DNA from neutrophils, which bind pathogens. | through study completion, an average of 8 months |
| Measure | Description | Time Frame |
|---|---|---|
| complete blood count (CBC) | CBC is a blood panel requested by a doctor or other medical professional that gives information about the cells in a patient's blood, such as the cell count for each blood cell type and the concentrations of hemoglobin. | through study completion, an average of 8 months |
| Measure | Description | Time Frame |
|---|---|---|
| C3 level | Complement component 3, often simply called C3, is a protein of the immune system. It plays a central role in the complement system and contributes to innate immunity. | through study completion, an average of 8 months |
Inclusion Criteria:
Exclusion Criteria:
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City
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Shihua Bao | Contact | 86-021-20261599 | baoshihua@tongji.edu.cn |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Shanghai First Maternity and Infant Hospital | Recruiting | Shanghai | China |
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