Ok my fiance and I seperated in mid october. I had my period october 23rd. Around november 5th i had gotten with a new guy. We were together for about a month or few days less. I found out a few days ago that I am now 6wks and 4 days pregnant. Who could be the dad?
6 weeks and 4 days corresponds to your LMP on October 23. That's how most doctors calculate dates. If this was a normal and expected period, then it is highly unlikely you were pregnant at that time. You can have some bleeding early in a pregnancy.
You would likely ovulate sometime between November 3 and 8. If you had sex on/about November 5 you had sex when you were at your peak fertility.
The "new" guy is the likely father based on what you provided.
Your due date should be July 30.