[PREVENTION OF PRETERM BIRTH IN TWINS WITH SHORT MID-TRIMESTER CERVICAL LENGTH LESS THAN 25MM -COMBINED TREATMENT WITH ARABIN'S CERCLAGE PESSARY AND INTRAVAGINAL MICRONIZED PROGESTERONE COMPARED WITH CONSERVATIVE TREATMENT].

Background: Twin pregnancies with short mid-trimester cervical length have a high rate of preterm births.

Objectives: To compare combined treatment of Arabin cerclage pessary, and intravaginal micronized progesterone to conservative treatment for the prevention of preterm births in twins pregnancies with short cervical length in second trimester of pregnancy.

Methods: A retrospective study that compared twin pregnancies with short ≤25mm cervix in second trimester 16-28 gestational weeks treated with combined treatment of Arabin cervical pessary and intravaginal micronized progesterone 200mg TID to a control group with conservative treatment for the prevention of preterm.