Could I be pregnant?

Okay ladies I have a question.. I am on the pill and on September 26-27th I missed my pill and that week I was ovulating and I had. Protected sex and he came in me. I got my period right on schedule but the first two days were spotting and I had a light flow the third day and spotting on the fourth day. My period last between 4-5 days normally but are usually medium flow to heavy. I know BC stops you from ovulating but is there anyway I could have ovulated and gotten pregnant? I was supposed to

Ovulate October 27th and I had unprotected sex on the 25th. I’ve been extremely tired, my boobs are huge and hurt, I’ve been having headaches, nausea, and I’m bloated. I’ve also been having mild cramps but no spotting. My period isn’t supposed to come for another week and a half and I usually do not feel this way. Has annoying else experienced this? Could I be pregnant? Thanks in advanced!