NCT04339166
- Conditions
- Chromosome Aberrations, Chromosome Abnormality, Genital Diseases, +4 more
- Locations
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- The First Affiliated Hospital,Sun Yat-sen University Guanzhou, Guangdong, China
- Peking University Shenzhen Hospital Shenzhen, Guangdong, China
- Hebei Maternity and Reproductive hospital Shijiazhuang, Hebei, China
- The Second Hospital of Hebei Medical University Shijiazhuang, Hebei, China