Table 1:

Main structures of the articles about the prevalence of congenital anomaly in Iran

Authors name	Publication year	Publication language	Study period	City	Population	age	Sample Size
Mashhadi et al (16)	2014	English	2004–2012	Tabriz	rural	Children(live birth) under eight years of age	22500
Mohammadzadeh et al (17)	2013	Persian	2007–2008	Babol	Urban, rural	Newborn(live birth	1684
Khoshhal-Rahdar et al (18)	2014	Persian	2013–2014	Dezful	Urban, rural	Newborn(live birth	4235
Karbasi et al (19)	2009	English	October 2003 to June 2004	Babol	Urban, rural	Newborn(live birth and stillbirth)	4800
Akbarzadeh et al (20)	2008	Persian	2006–2007	Sabzevar	Urban, rural	Newborn(live birth	7786
Alijahan et al (21)	2013	Persian	2010–2011	Ardabil	Urban, rural	Newborn(live birth	6868
Hosseini et al (22)	2014	Persian	2012	Sistan	Urban, rural	Newborn(live birth	1800
Ahmadzadeh et al (23)	2008	English	2003–2006	Ahwaz	Urban, rural	Newborn(live birth	4660
Masoodpoor et al (24)	2013	Persian	2007–2008	Rafsanjan	Urban, rural	Newborn(live birth	6089
Tayebi et al (25)	2016	English	2008	Yazd	Urban, rural	Newborn	1195
Kavianyn et al (26)	2016	Persian	2008–2011	Golestan	Urban, rural	Newborn(live birth	92420
Jalali et al (27)	2011	Persian	2011	Rasht	Urban, rural	Newborn(live birth	1824
Sarrafan et al (28)	2011	Persian	2006–2007	Ahvaz	Urban, rural	Newborn(live birth	5087
Amini Nasab et al (29)	2014	Persian	2007–2011	Birjand	Urban	Newborn(live birth	22076
Dastgiri et al (30)	2007	English	2000–2004	Tabriz	Urban, rural	Newborn	1574
Rostamizadeh et al (31)	2017	English	2002–2003 2012–2013	Azarshahr	Urban, rural	Newborn	4515
Gheshmi et al (32)	2012	Persian	2007	Bandar Abbas	Urban, rural	Newborn(live birth	7007