Therapeutic dilemma in patients with short cervices during pregnancy after conization

Figures & data

Table 1 Preterm delivery rate (%) with pregnancies after cervical conization with and without prophylactic cerclage in four English and eight Japanese retrospective population-based cohort studies

	Preterm delivery/abortion	Prophylactic cerclage		P-value
		Yes	No
English literature
Zeisler et al,^Citation4 1997	<37 weeks	23% (7/30)	21% (8/39)	0.78
Nam et al,^Citation5 2010	<37 weeks	50% (3/6)	25% (15/59)	0.42
Shin et al,^6 2010	<28 weeks	8% (2/25)	7% (2/31)	0.58
	<34 weeks	20% (5/25)	19% (6/31)	1.00
	<37 weeks	36% (9/25)	29% (9/31)	1.00
	<37 weeks	25% (3/12)	43% (3/7)	0.62
	(CL <25 mm)
Rafaeli-Yehudai et al,^7 2014	<34 weeks	32% (7/22)	6% (5/97)	0.02
Japanese literature
Nagasaka et al,^8 2002	<37 weeks	60% (3/5)	13% (1/8)	0.24
Matsui et al,^9 2008	<37 weeks	30% (3/10)	30% (6/20)	1.00
Tokunaka et al,^10 2010	<37 weeks	Unknown (n=8)	Unknown (n=21)	NS
Muro et al,^11 2013	<34 weeks	6% (2/35)	25% (3/12)	0.06
	<37 weeks	20% (7/35)	42% (5/12)	0.14
	<34 weeks	0% (0/13)	100% (3/3)	<0.01
	(CL <25 mm)
	<37 weeks	23% (3/13)	67% (2/3)	0.44
	(CL <25 mm)
Tanimoto et al,^12 2013	<37 weeks	36% (4/11)	30% (14/47)	0.82
Ishiguro et al,^13 2013	<37 weeks	19% (4/21)	–	–
	<37 weeks	50% (4/8)	–	–
	(CL <25 mm)
Kawasaki et al,^14 2013	<37 weeks	17% (1/6)	12% (7/58)	0.75
Kawana et al,^15 2015	<33 weeks	–	4% (5/68)	–
	<37 weeks	–	18% (12/68)	–

Abbreviations: NS, not significant; CL, cervical length.

ZeislerHJouraEABancher-TodescaDHanzalEGitschGProphylactic cerclage in pregnancy. Effect in women with a history of conizationJ Reprod Med19974273903929252928

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NamKHKwonJYKimYHParkYWPregnancy outcome after cervical conization: risk factors for preterm delivery and the efficacy of prophylactic cerclageJ Gynecol Oncol201021422522921278883

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