Bbt question?

Kyrsten • 24, married 8/2/2014, Gracelynn Rae born 11/27/2015, baby #2 due 10/25/2017 ❤
Ive read online that your bbt drops when you're pregnant, I know every body is different and bbt isn't as accurate for testing pregnancy. Yesterday my bbt was 97.7 and today when I tested it dropped down to 95.7, I'm 6 dpo. Does this have anything to do with implantation or not?