Recently, many patients have consulted, if the occurrence of unprotected, unsafe sex, which STDs are susceptible to infection, how long is the incubation period of different STDs from contact infection to the onset of disease? 1, gonorrhea: the pathogenic bacteria for gonorrhea bacillus. The incubation period from sexual contact to the onset of infection is 2-10 days, an average of 3-5 days. The early stage of male infection is mainly manifested as acute urethritis: redness and swelling of the urethral opening, pus overflow, frequent, urgent and painful urination. In women, the early stage of the infection is characterized by subacute cervical and urethritis: redness and swelling of the cervix, purulent discharge, itching and burning sensation in the vulva. The urethral opening is red and swollen, overflowing with pus, frequent, urgent and painful urination. 2, non-gonococcal urethritis: the main pathogens: mycoplasma, chlamydia, trichomonas, etc.. The incubation period of the disease is 1-3 weeks, mainly manifested as: mild urinary frequency, urinary urgency, urethral discomfort, a small amount of thin discharge from the urethra. There are also some patients who have no obvious symptoms and are ignored. 3, genital herpes: pathogenic herpes simplex virus type 2: incubation period of 2-14 days, an average of 6 days, the main manifestations are: the genital area of the skin erythema and clusters of blisters, blisters broke after the formation of shallow ulcers, accompanied by pain or itching pain. Some patients may have inguinal lymph nodes swelling and pressure pain or temperature increase. 4, syphilis: the pathogen is the syphilis spirochete. The incubation period from sexual contact to the appearance of the earliest lesions of syphilis (hard chancre) is 2-4 weeks, with an average of 3-5 days. The hard chancre refers to painless hard nodules and ulcers that occur in the genitals, mouth, anus, and rectum. A positive serological test for syphilis appears slightly later, usually 4-7 weeks after infection. If a hard chancre is found, but the blood test is negative for syphilis serology, it should be rechecked after 2-3 weeks to prevent a missed diagnosis. 5, condyloma acuminata: the pathogen is human papillomavirus 6, 11, 16, 18 and so on. From sexual contact infection to the appearance of warts for 2 weeks – 10 months, an average of 3 months. It occurs mainly around the genitals and anus, but also in the mouth, breast, inner femur, and between the toes. The performance is papillary or cauliflower-shaped elevation, pinkish red or dirty gray, soft, tipped, surface moist, easy to bleed, clusters, multiple. 6.AIDS: 1-6 weeks after HIV infection, some patients will have non-specific symptoms: headache, fever, malaise, muscle pain, nausea, diarrhea, mucosal red papules, swollen lymph nodes, etc.. Most of them disappear within 1 month. In contrast, most infected people are latently infected and do not show obvious symptoms, and develop the disease only after an incubation period ranging from up to 6 months to more than 10 years. The time it takes from HIV infection until the blood can be tested for HIV antibodies is 2 weeks to 6 months, with an average of about 3 months. If you have a history of unprotected, unsafe sex, you can refer to the above-mentioned incubation period and symptoms of common STDs, and go to the hospital in a timely manner to rule them out and lift the psychological burden. Once the infection is detected it should be treated promptly without delay. While actively receiving treatment, it is your responsibility to inform your spouse or sexual partner to go to the hospital for examination.