Based on multi-center clinical research resources, a large-scale prospective cohort study will be conduted to make a more accurate diagnosis and intervention plan of Non-immune fetal hydrops (NIFH), and then establish NIFH accurate treatment strategy which is suitable for China's national conditions.
1. Etiological study of Non-immune fetal hydrops(NIFH): 1. Etiological study of NIFH in mid-pregnancy period; 2. Etiological study of NIFH and hygroma colli in first trimester; 3. Value assessment of technology for exome sequencing in diagnosis of NIFH; 2. The accuracy of NIFH intrauterine intervention and its effect assessment: 1. Perinatal outcomes of NIFH ; 2. The effect of intrauterine treatments.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
144
choose different surgeries according to different causes
Neonatal mortality
Time frame: 1 year
Success rate for the operation
Time frame: 1 week
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