I’m so confused

Mickala • Momma to 3 boys 💙💙💙 & 1 angel baby 💗👼🏻💙

So it’s been 2 years since I had my last baby and I am 27 weeks and 1 day , some things tell me I am in third trimester others say 28 weeks . This is confusing as heck lol . I just want to know what trimester I am in .