Q.Write the preventive measures of STDs.

Sexually transmitted diseases (also called venereal diseases, reproductive tract infections, or STIs) spread mainly through intimate sexual contact with an infected partner, though Hepatitis-B and HIV can also spread via shared needles/instruments, blood transfusion, or mother-to-child transmission; people aged 15–24 are especially at risk. STIs are classed by causative organism: bacterial (gonorrhoea, syphilis, chlamydiasis, lymphogranuloma venereum — all curable with antibiotics), viral (genital herpes, genital warts, Hepatitis-B, AIDS — symptom-manageable but not curable), fungal (candidiasis) and protozoan (trichomoniasis). Prevention rests on avoiding unknown/multiple partners, consistent condom use (which greatly, but not completely, reduces …