Table 4 Outcomes of the 1035 twin pregnancies with NIPT-negative results
Clinical outcomes of NIPT negative cases (n = 1035) | Number of cases (n, %) |
|---|---|
Normal twin birth | 977 (94.4%) |
Abnormal twin birth with no typical phenotype of chromosomal disease or mental retardation | 28 (2.7%) |
Birth defects (polycystic kidney, hearing impairment, umbilical hernia, etc.) | 15 (1.4%) |
One stillbirth foetus (preterm birth, intrauterine hypoxia, low body weight, etc.) | 6 (0.6%) |
Miscarriage (intrauterine infection, cervical incompetence, twin-twin transfusion syndrome, etc.) | 7 (0.7%) |
Unexplained miscarriage and embryonic arrest | 11 (1.1%) |
No follow-up because of loss of contact | 19 (1.8%) |
Total | 1035 (100%) |