Some poems that congratulate someone on a new baby boy are "A Baby Changes Things" by Joanna Fuchs and "Your New Arrival" by Karl and Joanna Fuchs from PoemSource.com. There is also the verse "Your lives have been drenched with lovely color blue" from Wishes Messages.
In the poem "A Baby Changes Things," the poet explains to the parents of the newborn that things will never be the same due to the arrival of the newborn. It refers to the newborn as a miracle that brings wonders to the parents. She says that even though there are a lot of things to do, the family will grow closer together. In conclusion, she congratulates them on their new addition.
The verse "Your New Arrival" starts by appreciating the newborn, by saying it has a cute nose and big round eyes. It refers to the parents as a perfect pair and congratulates them on a new arrival.
In the verse about the lovely color blue, the author appreciates the coming of a newborn baby boy. He compares it to the color blue and congratulates the parents on how lucky they are.