This is my first pregnancy how can I calculate my months in pregnancy my doctor told every month 11

This is my first pregnancy how can I calculate my months in pregnancy my doctor told every month 11 is to calculate your months my due date is changing I will always checking my weak asparent app according to it is 23 weeks 6 days but after preponed my due date it is 24 weeks 4 days and again it is postponed to nov 17 now it is showing 24th then anybody can give clarify to me how many months now according to my doctor this August 11th I am 7th month pregnant is it correct or not plz tell your valuable information #firstbaby #pleasehelp #1stimemom #advicepls #bantusharing #pregnancy