Then considr that you were not at risk and becareful next time.
I did ask her at the time and I also asked her boss today, she also said that 2 weeks ago she got the all clear for everything, they both told me not to worry but I just can't help it,
Hi,
Why dont your ask her itself is she STD free or not? No one can say whether you got infected by this action or put your self in serious circumstance and moreover its just happened yesterday so no any symptoms. You need to be patience.
There are STI/STD by oral sex those are: Herpes, HPV, Gonorrhea,Chlamydia,Syphilis and hepatitis B, in these no cure for Herpes and hepatitis B.
http://www.ashastd.org/learn/learn_overview.cfm
http://std.about.com/od/overviewofstds/a/incubationper.htm
Just for your infrm : Gonarrhea and Chlamydia test give accurate result after 2 weeks time of encounter. Syphilis after 6 weeks, HIV and Herpes after 3 months test give accurate result.
Hope you are not infected. "Precaution is better than cure" Practice safe oral/anal/ vaginal sex