Are there any other signs that you are pregnant within three weeks of conception besides sore breasts and fatigue

Are there any other signs that you are pregnant within three week…?

http://www.chacha.com/question/are-there-any-other-signs-that-you-are-pregnant-within-three-weeks-of-conception-besides-sore-breasts-and-fatigue

Lower abdominal cramps / Implantation cramps / hot flashes, Nausea, fatigue, you may even get a positive test at this point.