If any1 has been through a similar experience or just thinks they might have some good advice please let me know. My last period was on the 12/12/2007, im very regular, and my periods are only ever 3 weeks apart. I'm worried because i had unsafe sex with my boyfriend on the 22/12/2007, which doesn't normally happen and i wasn't 2 worried as it was only once, i started to worry 1 to 2 weeks later when i had a brown discharge which lasted less than 1 night, i had a friend who had just found out she was pregnant an she had a simlar thing happen about 1 to2 weeks after she would have concieved. I tried not 2 worry as i know that can affect your period but it was hard & decided 2 take a test when i was a week late, it came up negitive and i was so relieved thinking it must have been down 2 stress, however almost a week later and i still hadn't come on so i tried again, still negitive, once again i was relieved but yet again its almost a week later and i have yet 2 come on. What should i do? Also since the last test i have been feeling queasy with stomach cramps and have been sick in the last few days... It could be all in my head an i just ate something that didn't agree with me but that just seems a little bit to much of a coincidence... %-)