Me and my boyfriend were having sex last night and he said it felt different from the last time like something was shifting. The last time we did it was a week ago and my menstrual is not due until the 26th of this month and when it came on last month it was kind of irregular like it came on light then got heavy a couple hours later for two days then got light again then the next day I had a little blood clog that was mucusy looking for like one minute then it went away it seems very weird I already have a four year old son so I don't remember what it felt like. Do anyone have an answer for me?

You should take a pregnancy test

You should take a pregnancy test. And yes, it can and does feel different

My husband never said sex felt different when I became pregnant; however, it did feel different for me. I seemed tighter and more sensitive. Everything just seemed more sensitive.
The only way to know for sure if you are pregnant is to take a hpt. Might as well go buy one and see. Best of luck.