Need to apply for Parent's I94 extension

[PareshL]

Hi there -

I am on L1B & my VISA and I94 expiring on 3/15/13. I am planning to apply for extension in Feb'13.
My wife is expecting baby in Jan'13 and hence recently I have sponsored her parent's visitor VISA.They will be coming here on 1st Dec and I am assuming that they will get I94 till my I94 expiry date i.e. 3/15/13, which is less than 6 months. Is there a way to apply for their I94 extension along with my VISA extension? If Yes,
1. What is the process for applying I94 extension for parents when the sponsorer's visa extension process is already in-progress?
2. what should be the reason for extension? During Interview, Her parent's mentioned reason as tourism purpose & not pregnancy.. so it will difficult to give any medical reasons now.

[immihelp]

There is no direct relationship of their B2 I-94 expiration to your L I-94 expiration.

They will get their I-94 on their own.

First look at what they get. Then decide after that accordingly.