I just don't understand why 'in-laws' can't mind their own buisness.

This is a very personal issue between you and your husband.
IMO you should get your tubes tied::: END OF SUBJECT !! AND avoid being around her, especially in private.
I was so fortunate that my MIL never ever questioned dh and I re: having kids

If this problem (mother -in -law) is not rectified it will start to drive a wedge between you and dh, and the wedge will drive you further and further apart.
I wish you luck. Please keep us posted. You can see from all the responses that we see your pain. Hopefully our "advice" will help.
People can be sooo ignorant and hurtful. Stand your ground and be proud of your decision to be childfree
