She doesn't want to be pushy.  The thought of asking other parents why their kids don't include her nursery school daughter in their play dates concerns her, lest the other parents think she is pushy.  Yet The Wall Street Journal's Sara Schaefer Munoz says she can't help but question the reasons why her daughter is often not included.

Posting on "The Juggle" on October 12, 2007, Munoz, who is the blog's lead writer, suspects the fact that she is a working mom who can fully socialize with the other mothers does have an influence on the number of invites her daughter gets.

"My husband usually does the pick-up from school.  While everyone is perfectly friendly, moms usually gravitate towards one another," says Munoz.  She adds:  "One reader even wrote on our 'manny' post that some neighborhood moms shy away from having their kids over to play with just the stay-at-home-dad there.