3 day period, can i be preg./
i had my period for 3 days, a week or 2 later i started to feel something on my left lower abd. i also been moody, and very tired. i took a home pregnancy test and it was neg. should i be concern of what is moving down there? i just never felt something like that and is not painful, and is not cramping is more of a popcorn that pops here and there during the day lol. what can it be?