I hope I'm pregnant

Jacqueline
I've been very emotional, gassy, bloated, nauseous every time I smoke a cigarette or wake up from a nap. Saturday night there was a small amount of blood (implantation bleeding?). No bleeding since. My last period was february 29 and I've been getting them every 2 and a half weeks for months. Took a pregnancy text this morning and it was negative. Thoughts?