Table 1.
Twin pair characteristics
| Twin pair ID number | Zygositya | Chorionicityb | Twin 1 sex | Twin 2 sex | Gestational age | Birth weight discordance (%)c | Samples removed after QCd |
|---|---|---|---|---|---|---|---|
| 1016 | MZ | DC | M | M | 37 | 5.4 | T2_18 |
| 1022 | MZ | MC | M | M | 38 | 12.4 | T1_18, T2 _18 |
| 1024 | MZ | DC | F | F | 37 | 12.1 | T2_B |
| 1032 | DZ | DC | F | F | 37 | 43.3 | T1_18 |
| 1035e | MZ | MC | F | F | 35 | 30.8 | |
| 1042 | DZ | DC | M | M | 30 | 19.8 | |
| 1046 | MZ | DC | M | M | 37 | 6.2 | |
| 1057 | DZ | DC | M | M | 37 | 13.3 | |
| 1058 | MZ | DC | M | M | 36 | 22.0 | |
| 1072 | DZ | DC | F | F | 37 | 14.5 | |
| 1107 | MZ | MC | F | F | 33 | 8.1 | T1_18 |
| 1126 | MZ | MC | F | F | 32 | 27.3 | T2_18 |
| 2034 | MZ | DC | F | F | 36 | 3.6 | |
| 3006 | DZ | DC | M | M | 37 | 3.6 | |
| 3014 | MZ | MC | M | M | 36 | 18.0 |
aMZ, monozygotic; DZ, dizygotic. bMC, monochorionic; DC, dichorionic. c[(Weight of heaviest twin - Weight of lightest twin)/Weight of heaviest twin] × 100. dT1/T2, twin 1/2; B, birth sample; 18, 18 months sample. eTwin-to-twin transfusion syndrome.