Emergency cervical cerclage in delayed-interval delivery of twin pregnancies: a scoping review

Table 1 Characteristics of included reports (n = 82)

Included study	Publication date	Country	Type of study	Sample size (number of twin pregnancies)	Chorionicity	Type of cerclage used	Cerclage/no cerclage
Ugoj et al. [11]	2023	Nigeria	Case report	1	DCDA^*	McDonald	1/0
Sharma et al. [12]	2022	India	Case report	1	DCDA	McDonald	1/0
Park et al. [13]	2022	South Korea	Case report	2	DCDA	McDonald	2/0
Cheng et al. [14]	2021	China	Case series	7	DCDA	——	4/3
Liu et al. [15]	2021	China	Case report	4	DCDA	——	4/0
Ngalame et al. [16]	2020	Cameroon	Case report	1	DCDA	McDonald	1/0
Cheng et al. [17]	2020	Taiwan, China	Case series	5	4 DCDA & 1 MCDA^*	——	1/4
de Frias et al. [18]	2020	Portugal	Case report	1	DCDA	McDonald	1/0
Yu et al. [19]	2019	China	Case series	8	DCDA	——	2/6
Imachi et al. [20]	2019	Japan	Case report	1	DCDA	McDonald	1/0
Api et al. [21]	2014	Turkey	Case report	1	DCDA	McDonald	1/0
Singh et al. [22]	2012	India	Case report	1	DCDA	McDonald	1/0
Aydin, Y et al. [23]	2012	Turkey	Case report	1	DCDA	McDonald	1/0
Ding et al. [24]	2012	China	Case series	4	DCDA	——	1/3
Petousis et al. [25]	2012	Greece	Case series	5	DCDA	McDonald	5/0
Caliskan et al. [26]	2011	Turkey	Case report	1	DCDA	McDonald	1/0
Chen et al. [27]	2011	China	Case report	2	DCDA	——	1/1
Khan et al. [28]	2008	UK	Case report	1	DCDA	McDonald	1/0
Klearhou et al. [29]	2007	Greece	Case report	1	DCDA	McDonald	1/0
Cristinelli et al. [30]	2005	France	Case series	4	DCDA	——	2/2
Fayad et al. [31]	2002	France	Case series	28	——	——	9/19
Abboud et al. [32]	1997	France	Case report	2	DCDA	McDonald	1/1

^* DCDA: dichorionic diamniotic twin pregnancy; MCDA: monochorionic diamniotic twin pregnancy

ISSN: 1471-2393