Spotting for cuckoo

When did i conceive and is my due date correct? - conceive date based on due date

I am a mother as a teenager when I discovered that I was pregnant, I went to a resource center to help pregnancy. You have an ultrasound and told me I had 6 4 / 7 weeks pregnant and my EDD is 1/19/2010. When it actually came out I was pregnant, went to see a gynecologist regularly and get the ultrasound and my date, 1/18/2010. They said that since my EDD so close, when I told them, was aware of my LMP 1/20/2010. My LMP was 4/14/2009. As my due date on the basis of this information? I'm Prego 40 1 day and no due date is correct;