Trying for baby #1

Stephanie • First born arrived 4-9-17. It's a girl💗Baby boy arrived 9-8-18💙
My husband and I have been ttc since august with no luck. I'm 9 dpo and having multiple symptoms of pregnancy. The only thing that would suggest I'm not preggers is my bbt's. My temp dropped on 7dpo and has stayed down. Anyone else got a bfp with low bbt's?