Progesterone group

Cerclage group

T-test

t

P-value

Gestational age (weeks)

Range

23 - 36

21 - 35

2.1

0.042*

Mean ± SD

33.57 ± 2.97

31.74 ± 3.21

Birth weight (gms)

Rage

430 - 2920

390 - 2685

2.35

0.023*

Mean ± SD

2049 ± 591

1686 ± 512