hi im trying for ababy also this happened to me but i done two pregnancy tests and not pregnant so not sure,your bodys completly different to mine though so i suggest getting a good pregnancy test dont go cheap predictor is a good one or as we know clear blue i hope all the best for you though if your not keep trying just be equal headed by it though i thought i wa pregnant coz i had all the symptoms too then was really gutted when the negative mark came up good luck keep going hun.