Q: Why has my iPad stopped sending messages.

Hi Lorettabeverly,

Thanks for visiting Apple Support Communities.

Try these steps first if you are not able to send iMessages from your iPad:

The first step to resolving an issue with iMessage is to update your iOS software and your carrier settings to the latest versions available. If iMessage still has an issue, follow the steps below that pertain to the issue.

See this link for the additional troubleshooting steps:

iOS: Troubleshooting Messages

http://support.apple.com/kb/ts2755

Cheers,

Jeremy