Annoying MIL

Married for 14yrs & till now I can't UNDERSTAND MY MIL (She was the 1 when my hubby INTro to her as his Frend ask me to marry her son) START ALL WAS FINE UNTILL my SIS IN LAW add spice n vinegar to my MIL & totally I saw the satan in my MIL.... Even when I told her the news I was preggy her reaction was like "Oohhh ic ok lah so wat u wanna me to do? " now my cutie is 18mth ++ not even a single call fm her... Wonder what is WRONG WIF HER???