is this normal

Dana

I am 22 weeks and 2 days and I think part of my mucus plug came out isn't it too early please let me know I went to the bathroom and wiped and this mucousy stuff came when I wiped there was no blood in it and it was a lot it filled the toilet paper call my doctor but he said he'll call me back he is busy delivering a baby should I go to the emergency room or should I stay home and wait