BPN in boston area?

Hi all:  My sister is going to have a baby soon near Boston (arlington).  She is having trouble finding a resource similar to a BPN in her area.  Does anyone have any suggestions for her?  This will be her first kid, and I'm trying to help her line up some help and ways to deal with the slog of the fourth trimester, esp as her husband is away a lot.

thanks in advance!