Hi Dr I Would Like To I Have Tested For

Hi Dr I would like to I have tested for pregnancy today then the results where positive according to the DR but I understand because I was preventing and I skipped my next appointment with 13 days on this 13th one I had unprotected sex during the intercourse afterwards I was bleeding implanted blood which watery like blood so today I have tested fot pregnancy then results shows one clear colour and other one fading so I would there is any chance that I could fall pregnant? Please Help