Name |
Country |
Type |
Number |
Characteristics |
Treatment |
Goya 2015[16]
|
Spain
|
RCT
|
154
|
18-22week
CL<25mm
|
Arabin Pessary
Conventional treatment
|
Nicolaided 2015[38]
|
Multiple center
|
RCT
|
1180
|
18-25weel
CL unlimitated
|
Arabin Pessary
Conventional treatment
|
Liem 2013[31]
|
Netherlands
|
RCT
|
808
|
16-22week
CL unlimitated
|
Arabin Pessary
Conventional treatment
|
Merced 2019[39]
|
Spain
|
RCT
|
132
|
24-34week
CL<20mm
|
Arabin Pessary
Conventional treatment
|
Norman 2021[40]
|
UK
|
RCT
|
503
|
18-21week
CL<35mm
|
Arabin Pessary
Conventional treatment
|
Dang 2019[22]
|
Vietnam
|
RCT
|
297
|
16-22week
CL<38mm
|
Arabin Pessary
Vaginal progesterone400mg
|
Berghella 2017[41]
|
Multiple center
|
RCT
|
46
|
18-24week
CL<30mm
|
Arabin Pessary
Conventional treatment
|