Table 5 Maternal and neonatal complications of participants ≥ 35 years
POSEIDON Group 2(n = 971) | POSEIDON Group 4(n = 142) | Control 2 (n = 718) | P value | |
|---|---|---|---|---|
vanishing twin syndrome | 32(3.3) | 1(0.7)cd | 36(5.0) | 0.025 |
GDM | 78(8.0) | 20(14.1)cd | 54(7.5) | 0.032 |
HDP | 39(4.0) | 6(4.2) | 31(4.3) | 0.953 |
LBW | 32(3.9) | 2(1.8) | 32(5.3) | 0.167 |
Preterm delivery | 37(3.8) | 6(4.2) | 24(3.3) | 0.820 |
Pregnancy loss | ||||
Total pregnancy loss | 126(13.0) | 28(19.7)d | 104(14.5) | 0.091 |
First trimester pregnancy loss | 108(11.1) | 26(18.3)cd | 87(12.1) | 0.049 |
Second trimester pregnancy loss | 18(1.9) | 2(1.4) | 17(2.4) | 0.758 |
Induction due to malformation | 16(1.6) | 4(2.8) | 8(1.1) | 0.228 |
Placenta previa | 14(1.4) | 3(2.1) | 10(1.4) | 0.716 |
Fetal macrosomia | 97(11.7) | 14(12.6) | 65(10.8) | 0.793 |