Ok since for ever i have had regular period never missed days and always on time. On 24th February I got my monthy like normal then on the 7th - 12 March I got it again very heavy and painful and very unusual. Then on the 26th of March i got my period again this time it was normal except i spoted for an extra 5 days until the 5th the 5th of April. I had sex on the 6th and 10th of April. On the 13th i had what felt like an implantation bleed as i have had it before. I have had all the symptoms except tender breasts and still no period. I took a test on the 25th and 30th but both negative. Could i be pregnant or is there something wrong as ive never had an irregular period before.