True statements about congenital megacolon include all of the following except:
S. Das writes - "The symptoms appear within 3 days of birth and the presenting features are as follows:


Constipation
Abdominal distention"


Nelson writes - "The clinical symptoms of Hirschprung disease usually begin at birth with the delayed passage of meconium."
Loud borborygmi are heard due to intestinal obstruction.
About stool, Nelson writes -

"The stools when passed may consist of small pellets, maybe ribbon-like or may have fluid consistency; the large stools and faecal soiling of patients with functional constipation are absent."
Also, know

a large faecal mass may be palpable in the left lower abdomen, but on rectal examination, the rectum is usually empty of faeces (faeces in rectum are found in functional constipation).
Dilatation & hyper trophy of pelvic colon
Loud borborygmi
Symptoms appear with in 3 days following birth
Large stool