Primary and secondary outcomes
The primary outcome was GA at delivery. The main secondary outcomes were
as follows: maternal outcomes of pregnancy latency, rate of sPTB at
<28, <30, <32 and <34 weeks; and
neonatal outcomes. The primary and secondary outcomes were also
evaluated in the subgroups of women with cervical dilation of
<3cm and ≥ 3cm to evaluate the efficacy of combined
McDonald-Shirodkar technique in less or more severe cases.