Should I take a test

I’m pretty worried. I am late on my period a day. I have never had this happen to me. Except when I was doing the Depo-shots and I stopped those 2 years ago. I am sexually active, and do not use protection. We do the pull out method, we have been doing that for 3 years and it’s been fine he doesn’t like to use condoms says he cant feel anything. I have gained a some weight since the last period. And I was sick with respiratory issues and had to take antibiotics. I know I’m freaking about it for nothing but of course my brain thinks I could be pregnant. And I have no one to talk to about it I obviously don’t want to talk to my fam about, and my boyfriend they would just make me worry more and I don’t want to if it’s for nothing.