Template:Click for further information
|Abnormality name||Affected region||phase of occurrence||Definition|
|Esophageal atresia||Foregut ( Esophagus||occurs in 8th week||1 in 3000-4500 birth- results from deviation of trachoesophageal septum and there is incomplete separation of the eosphagus from laryngotracheal tube.|
|Eosphageal stenosis||Foregut ( Esophagus||during week 8||Due to incomplete recanalisation of Esophagus|
|Congenital hypertrophic pyloric stenosis||Foregut ( stomach)||onset at 3rd week and can present neonatally||1 in 150 male and 1-750 female- muscular thickening of the pylorus|
|Reverse rotation||Midgut||Midgut loop rotates in clockwise direction. Doudenum lies anterior to the superior messentric artery ( normally it should lie posteriorly) and transverse colon lies posterior instead of anterior to it ( artery).
|Anal agenesis||Hidngut||week 7||Anal canal end blindly or ectopic anus, or anoperineal fistula. Anal canal may open into vagina in female or urethra in male.|