As of now I am 6 days late on my period. Ive have intercourse twice this month using the pull out method which has worked for some time now. I have regular periods but this whole month I have been really stressed and i recently had a change in exercise routine. I felt like a was going to get my period but it never came. My eating habits are the worst its ever been and my breasts have been tender like they usually are before i get my period. I'm on the edge of of being pregnant or not. what do i do? any advice? I'm only 16 so is it more likely I'm pregnant?