Went to Dr today to confirm and it was with an ultrasound positive edd Jan 6 would make me like 3…

Went to Dr today to confirm and it was with an ultrasound positive edd Jan 6 would make me like 3 weeks can't believe I got a positive so early I ebf and don't know when I ovulated cause I haven't had a period in 4 months but had lots of cramps and nausea that started last week