Confused!

🌸 Holly 🌸 • frm London, mummy to Mila born 17/06/15 💕 and Leon born 12/10/17 💙 xxxxxx
How many weeks are we considered 8 months pregnant... I've seen the little pics but still doesn't explain if you are 7 months pregnant and in your 8 months.... Or 8 months pregnant....
I'm 33 weeks so when will I be 8 months pregnant?
( I feel bloody 156 months pregnant)