Table I.

Characteristics of randomized controlled trials.

First Author, year	Sample size (n)	Disease	Intervention	Gel(Type and dose)	Outcomes	(Refs.)
Fuchs et al, 2014	52	Retained Products of Conception	Gel and Hysteroscopy vs. Hysteroscopy	Oxiplex gel, 10 ml	IUAs, pregnancy	(10)
Acunzo et al, 2003	84	IUAs	Gel, oral antibiotics and hysteroscopic adhesiolysis vs. oral antibiotics and hysteroscopic adhesiolysis	Auto-crosslinked hyaluronic acid, 10 ml	IUAs	(13)
Hooker et al, 2017	149	Miscarriage of <14 weeks with at least one previous D&C	Gel and D&Cs vs. D&C	Auto-crosslinked hyaluronic acid, 10 ml	IUAs	(14)
Li et al, 2019	274	Delayed miscarriage without previous history of D&C	Gel and D&Cs vs. D&C	Auto-crosslinked hyaluronic acid, 3 ml	IUAs	(15)
Guida et al, 2004	132	Myomas, polyps, and uterine septa	Gel and hysteroscopic vs. hysteroscopic	Auto-crosslinked hyaluronic acid, 10 ml	IUAs	(16)
Tsapanos et al, 2002	150	Patients with incomplete, missed, or recurrent abortion scheduled for suction evacuation and curettage	Gel and D&C vs. D&C	Seprafilm™/12.7x15,2 cm	IUAs, pregnancy	(17)
Xiao et al, 2015	111	Moderate to severe IUA	Gel, Foley's catheter balloon and hysteroscopic adhesiolysis vs. Foley's catheter balloon and hysteroscopic adhesiolysis	Auto-crosslinked hyaluronic acid, 2 ml	IUAs	(18)

IUAs, intrauterine adhesions; D&C, dilatation and curettage.