Table 3 Indication for referral to preterm surveillance clinic
Indication for referral to preterm surveillance clinic (non-exclusive) | n | % |
|---|---|---|
Previous Spontaneous Preterm Birth/ mid-trimester loss | 86 | 100 |
Previous preterm prelabour rupture of membranes (PPROM) | 83 | 97 |
Previous cervical cerclage | 82 | 95 |
Uterine variant (i.e. unicornuate, bicornuate uterus or uterine septum) | 82 | 95 |
Intrauterine adhesions (Ashermann’s syndrome) | 57 | 66 |
History of trachelectomy (for cervical cancer) | 82 | 95 |
Previous delivery by caesarean section in labour | 53 | 62 |
Cervical excisional event -Single LLETZ (any depth removed) | 20 | 23 |
Cervical excisional event -Single LLETZ (more than 10 mm removed only) | 68 | 79 |
Other—Cervical excisional event -Single LLETZ (more than 20 mm removed only) | 1 | 1 |
Cervical surgery—Multiple LLETZ or cone biopsy | 84 | 98 |
Recurrent first trimester miscarriage | 8 | 9 |
Following episode of threatened preterm labour | 16 | 19 |
Incidental finding of short cervix without preterm birth history | 71 | 83 |
Other—Connective tissue disorder | 2 | 2 |
TOTAL | 86 | 100 |