Time magazine reports that his mother was 3 mos preg before she married. Found it in an online search.
I never doubted for a minute that you had a source but I don't trust Time Magazine on much of anything. Sure they said she was pregnant before she married Obama Sr. but did they come up with a marriage license? I doubt it. I've seen sources who said Obama Sr. had a legal wife in Kenya when he knocked Obama Jr's mother up. If there is a legal marriage license with Stanley Ann, then perhaps Obama's father was a bigamist. There are just too many doubts about the entire matter out there and Obama isn't clearing any of them up with verified legal documents so I lean towards the idea there simply aren't any.