It could be either. No one can tell you, only a DNA test can. There is no way to know from two dates that close together honey. Not even remotely. Sorry.
I had sex with my ex boyfriend on june 19th and i had sex wit my boyfriend on june 21 now im pregnant my due date is in march who is the father my ex or my current boyfriend? my last missed period was june 9th and my conception date is june 23.