What causes cervical viral infection in women?

Cervical viral infection in women is usually caused by human papillomavirus infection, which may be related to sexual contact transmission, low immunity, multiple sexual partners, premature sexual intercourse, long-term oral contraceptives and other factors. Cervical viral infection may manifest as contact bleeding, increased vaginal discharge and other symptoms, and can be prevented through vaccination and regular screening.

1. Sexual contact transmission

Human papillomavirus is mainly transmitted through sexual contact. The virus can invade the basal layer cells through small tears in the skin and mucous membranes. Women who are sexually active are more likely to be infected, and condoms cannot completely block the spread of the virus. It is recommended to have a fixed sexual partner and take protective measures. Cervical cytology examination is required after infection.

2. Low immunity

People with AIDS and long-term use of immunosuppressants are more likely to develop persistent infections. When immunity is weakened, the virus is difficult to clear, which may lead to cervical intraepithelial neoplasia. Immunomodulatory agents such as Pidotimod granules and thymosin enteric-coated tablets can be used as auxiliary treatments, and nutritional intake needs to be strengthened.

3. Multiple sexual partners

An increase in the number of sexual partners will significantly increase the chance of virus exposure, and cross-infection with HPV of different subtypes may accelerate the progression of the disease. Mixed infections of high-risk type 16/18 and low-risk type 6/11 are common clinically. It is recommended to limit the number of sexual partners and conduct regular HPV-DNA testing.

4. Premature sexual intercourse

During adolescence, the cervical epithelium is not fully mature, and the squamous-columnar junction area is more susceptible to viral invasion when it moves outward. People who have sex for the first time before the age of 16 have an increased risk of cancer after infection, and can be combined with recombinant human interferon α2b suppositories for local antiviral treatment.

5. Oral contraceptives

Long-term use of birth control pills for more than 5 years may change the characteristics of cervical mucus and increase the probability of virus attachment. For this group of people, the screening interval should be shortened to 6-12 months, and if necessary, traditional Chinese medicine preparations such as Baofukang suppository should be used to adjust the local microenvironment.

To prevent cervical viral infection, you need to establish a healthy lifestyle, keep the vulva clean and dry, and avoid using irritating lotions. It is recommended that women over the age of 21 undergo cervical cytology examination every three years, and women over the age of 30 can undergo combined HPV testing. Vaccination with the nine-valent HPV vaccine can prevent more than 90% of high-risk infections. The optimal age for vaccination is 9-26 years old. When abnormal vaginal bleeding or discharge occurs, you should promptly seek medical advice from a gynecologist and conduct a colposcopy biopsy to determine the extent of the disease.