am i pregnaunt

istart my periods usually on the 6th last month i had a light period but this month im late im having trickles in my lower stomach im lactating in my breast im putting on wieght like crazy i think im pregnaunt but not sure i want to take a pregnaunt test but i came home from buying one went to the bathroom and now im spotting still feeling the tickle in me so i dont know if i do the test if it will come out right