Table 2.

Summary of 5 articles on CB.

	Our study	Harris et al.	Sana et al.	Arleo et al.	Joseph et al.
Study period	2014−2016	2001−2004	203−2010	2004−2007	2010−2015
Number of patients	1900	2178	37,798	7280−10,400	690
Prevalance	4 per 1000	7 per 1000	1.5−7 per 1000	5−7 per 1000	23 per 1000
Live birth rate %	62.5	<50	62	65	Not mentioned