| Array-CGH | Array Comparative Genomic Hybridization |
| CS | Cesarean Section |
| CVS | Chorionic Villus Sampling |
| GA | Gestational Age |
| IUD | Intrauterine Demise |
| QF-PCR | Quantitative Fluorescent Polymerase Chain Reaction |
| SUA | Single Umbilical Artery |
| VACTERL | Vertebral Defects, Anal Atresia, Tracheoesophageal Fistula, Renal Dysplasia, and Limb Abnormalities |
| VD | Vaginal Delivery |
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