Sex and pregnancy 🤰🏻

I’m 39 weeks and I haven’t had sex this whole pregnancy, because my BF and I been very distant with each other. I heard not having sex’s during pregnancy is bad and harder during labor.. did anyone else not have sex and not have problems during labor? And had a natural birth? My family is scaring the f*** out of me saying I’m going to have a c section and telling me that it is my fault if I get c section . and I already have anxiety