lost mucus plug, should I call my midwife?

Bianca • I'm 19, married & raising two girls👨‍👩‍👧‍👧 Genesis🦄 DD: July 24, 2014 Actual birthday: July 27, 2014 & Leilani🦋 DD: June 22, 2017 Actual birthday: June 10, 2017
32 weeks pregnant, not sure if I should call the doctor & not worry? TIA!