Table 6 The pregnancy outcomes of twin pregnancies

patients (n)

46

7

Prior sPTB

0 (0–1)

1 (1–2)

Prior operative hysteroscopy (n[%])

45 [97.8%]

0

Conception by IVF(n[%])

36 [78.3%]

5 [71.4%]

Rescue cervical cerclage (n[%])

41 [89.1%]

-

The length of the cervix < 1.5 cm

44 [95.7%]

-

The length of the cervix (cm)

0.8 (0.5–1.5)

-

Cervical dilation at diagnosis (cm)

0 (0–1)

-

Gestational latency (weeks)

7.8 (4.9–11.5)

-

GA at delivery

30.7 ± 4.5

34.3 ± 1.8

sPTB < 24 weeks

3

0

sPTB < 28 weeks

13

0

sPTB < 32 weeks

25

0

sPTB < 34 weeks

34

3

sPTB < 37 weeks

42

6

Live births (n[%])

83 [90.2%]

12 [100%] + 2*

Birth weight (kg)

1.58 ± 0.65

2.1 ± 0.44

NICU admission (n[%])

69 [83.1%]

7 [58.3%]