Can having too much sex at a young age cause infertility?

Shouldn't but . . .: "too much" sex is pretty vague. What's too much for one person might not be enough for someone else. Regardless, if one has sex w/multiple partners (again, number is open to debate) w/o protection, there's an increase risk for sexually transmitted infection/disease (sti/std) which can be complicated by pelvic inflammatory disease (pid) which could cause infertility. Btw, fertility decreases w/age.

Yes.: Having sex, even with a condom, can expose you to chlamydia, which can scar your tubes, preventing you from getting pregnant. Sometimes the chlamydia does not have any symptoms. Also, sex exposes women to hpv virus. 80% of women graduating from college test positive for hpv, if hpv causes cancerous or precancerous changes, you may need treatments that complicate pregnancy, .