I’m appalled by my mother in law!

Long story short we were watching Facing the Giants and for those you don’t know that movie is about football and a couple facing male infertility and there struggle to get pregnant. Well my mother in law for some reason even always blames me for not being able to get pregnant even know it’s her son that’s practically sterile. Not that I blame my husband at all I love him dearly and I would never blame him for something like this but the fact is that the problem is on his side and not mine. Well my mother in law is always making sarcastic ass remakes like “ it’s only been four years” and “that why your not getting pregnant girly” over everything I do. Doesn’t matter if we are getting snow cones she’s making me feel bad and that it’s my fault we can’t get pregnant. We tonight after her insulteing me through the entire movie I finally snapped and told her to please stop putting the blame on me when it’s not my fault that we can’t get pregnant. She automatically flipped out and would not let me explain my case just lost it on me. Next thing I know she’s in the car and driving away leaving me with these messages. I seriously don’t even know what to say. Seems like everything I say pisses her off but she needs to understand how her little comments make me feel. Thankfully my husband stood up for me and defended me but it didn’t resolve the issues cause now him and his mom are fighting and after I sent her a long but her friendly explanation as to why I reacted they way I did she basically disowned me. Any thoughts on what me and my husband can do to get her to stop her nonsense. I’m