Genetic birth defects
The research comes from records taken in 2001 and pooled from 193 countries.
While there are thousands of known genetic birth defects the study found that five types of defect make up over a quarter of all cases each year.
The five most common are;
Congenital heart defects - 1,040, 865 births
Neural tube defects, such as spina bifida - 323, 904 births
Haemoglobin disorders, such as thalessemia - 307, 897 births
Down's Syndrome - 217, 293 births; you can read more about the cause of Down's syndrome by clicking here http://www.brighthub.com/science/genetics/articles/6834.aspx
G6PD enzyme deficiency - 177, 032 births