So on April 9, I had unprotected sex and my period was due around the 19th-24th (according to my tracker) about five days later my period came early. Normally they last six to seven days, this one lasted four. Now it is the 20th of may and I m having another period but it started out really light for heavy for a day then it s not the end and is a really light pink spotting, and I read there can be two bleeding durin pregnancy, the implantation and one other one (forgot the name) I also have nausea every night and after I eat, the sides of my boobs have been sore and I am getting bigger, but idk if its gaining weight from eating. Could I pregnant? Please help!