Why stress yourself out, invest in a pregnacy test!!! Stress alone could delay your period as well as many other things but if theres any possiblity you might be pregnant, take a test. Whether for your peace of mind or the health of your unborn baby...the sooner you know the better. Good luck hunn!!
If you have taken a test and it is positive then you are preggo but if it says no it may still be to early or you might be changing cycle days either way call your doctor
Have you taken a pregnancy.test?