Hi there.
i had to go back to work, full time, when DS was just under 6 months old, as I earn 2/3 our family income.
He is with my mum 2 days a week, and at creche for 3.
It was really really hard for me to go back to work that early, but DS adjusted really well, and really quickly to creche, and it was very easy for him to bond with his carers at that age.
There was little or no seperation anxiety when he started, and becuase he was the youngest in his age/room grouping, there were no other babies sleeping at the same times as him, to wake him up.

I still find it hard that I couldn't have 12 months off, and really want to plan to be in a financial position to have the 12 months off for no# 2.