that depends on a variety of factors. did you use birth control? what kind of birth control was used? ovulation typically occurs on the 14th day of your cycle and sperm can live inside of you for up to 10 days so if you did have unprotected sex on may 29th there is a good chance that you could be pregnant.
last period may 16th to 19th. sex may 29th. what are the chances of pregnancy?