So I take birth control and I've been really good at taking it daily and on time, but recently i forgot to take 3 birth control pills in a row right before my period. As soon as I remembered, i was already on the first day of my period but i took the birth control pill from the previous day just in case. When my period ended, i started a new pack of pills and continued on taking them regularly. About 4 days after I started the new pack me and my boyfriend had sex with no condoms twice, and he came inside me. This was about three weeks ago. I dont think i have been experiencing any pregnancy symptoms, but my period is late. I feel like its because of the fact that i messed up taking my birth control pills but now im scared that its because im pregnant.