I'm in the same boat. This happened to my other kids too. Doc said the green is caused by swallowing mucoous and it's most likely that baby has seasonal allergies. Any runny/stuffy nose in baby?
Erica, wife to Joey my HS sweetheart, Mommy to Jaybee '06
, Princess '09
, and my Little Sweetie '11
. #4 coming in Feb!