My GF had her last mc on 27 april she is having 45 to 48 days cycle and we have had Intercourse  during  May month. She is taking Meprate 10mg 5days course to get periods early but still not get periods . when taken home pregency test during medication a very light colourless faint line appear in it may be evaporate line. After 5 days when she again do pregnancy test there is only negative line. Is she pregnant or not?