Wondering

Kela
At first my nipples was hurting now it seem like my breast is hurting now I really don see how I can be pregnant (if I am)if I didn't have a period I only got one shot which was the depo shot on February 13th didn't go back fa the second one and now since last Sunday my nipples was hurts now today my breast are hurting. Has ant one experience this and found out that they was pregnant