Matron of Honor, Bach party?

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I’m the matron of honor for my best friend’s wedding. We’ve been best friends since junior high, something like 14 years. She’s getting married 12 weeks after my due date (wedding date was set before I got pregnant) so I’m looking for advice on what to do about a bachelorette party. I’m not going to want to leave my 12 week old overnight even though he’d be staying with my husband, but I want her to have the best bachelorette party and I know she’d be there for me if it was reversed. Ideas?? All I can think of now is to have my husband travel with our kids and stay close by and me spend the night with my family rather than in whatever house I book for the crew, but I don’t know how offensive that is. Help?