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. 2023 Apr 10;23:236. doi: 10.1186/s12884-023-05525-5

Table 2.

Frequency of structural anomalies in the corresponding period

Structural anomaly cases(n) frequency (%)
UPSVS 26 2.84
Cardiac malformations 246 26.91
Multiple malformations 195 21.33
Urinary system 92 10.07
Hydramnios/oligoamnios 79 8.64
Skeletal system 49 5.36
Strephenopodia 37 4.05
Respiratory system 32 3.50
Cleft lip and/or palate 30 3.28
Nervous system 28 3.06
Fetal edema 28 3.06
Digestive system 27 2.95
Auricle deformity 13 1.42
Limbs 10 1.09
Acromphalus 9 0.98
Situs inversus 4 0.44
Genital system 4 0.44
Diaphragmatic hernia 3 0.33
Open neural tube defects 2 0.22
Total 914 100