How is cervical cancer screened?

Written by Li Lin

Obstetrics and Gynecology

Updated on June 27, 2025

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Research has shown that cervical cancer can be prevented and cured. The primary condition for curing cervical cancer is early detection and treatment, so cervical cancer screening is very important. There are three levels of cervical cancer screening. The first level includes a TCT (ThinPrep Cytologic Test) and HPV (Human Papillomavirus) testing. If any abnormalities are found in these tests, a colposcopy examination is needed. Under colposcopy, the condition of the cervix is observed, and if lesions are found, the process moves to the third level, which involves taking a biopsy of the cervical tissue for histopathological examination to confirm the diagnosis and rule out cervical cancer transformation.

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Cervical cancer is divided into several stages.

Cervical cancer is categorized into four stages based on the extent of the cancer lesion, with different stages receiving different treatments clinically. Stage I cervical cancer is the earliest stage, while stage IV cervical cancer is the latest stage, often invading organs beyond the reproductive system. Clinically, early-stage cervical cancer is primarily treated with surgical resection, followed by postoperative radiotherapy and chemotherapy to reduce the likelihood of cancer recurrence. In contrast, late-stage cervical cancer is treated primarily with radiotherapy and chemotherapy.

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Written by Xu Xiao Ming

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Early symptoms of cervical cancer

The most common early symptom of cervical cancer may be contact bleeding, including vaginal bleeding after intercourse. However, not many patients exhibit these symptoms. Many patients do not show any symptoms, but there are some pathological changes on the cervix. Therefore, it is recommended that women who are sexually active should undergo regular early screening for cervical cancer, including HPV, TCT, and colposcopy examinations. Regular checks can determine whether there are indeed pathological changes on the cervix. This is also a preventive measure for women, and the screening is highly efficient at detecting early pathological changes in the cervix.

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Written by Gong Chun

Oncology

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Late-stage symptoms of cervical cancer

What are some symptoms of late-stage cervical cancer? First, there may be vaginal bleeding, characterized by irregular vaginal bleeding. The amount of bleeding varies depending on the size of the lesion and the invasion of interstitial blood vessels. In the late stages, as major blood vessels may be eroded, significant bleeding can occur. The second symptom is vaginal discharge, which is often increased and may be white or blood-stained. Third, late-stage symptoms may include secondary symptoms such as involvement of adjacent tissues and organs and affected nerves, leading to frequent urination, urgency, constipation, swelling and pain in the lower limbs. Cancer pressing on the ureters can cause obstruction of the ureters, hydronephrosis, and uremia. Late stages may also present with symptoms of systemic failure such as anemia and cachexia.

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How to check for cervical cancer if unmarried

For unmarried women, if there is no sexual activity, they generally do not need to undergo cervical cancer screening. This is because the cause of cervical cancer has been clearly established as being caused by HPV virus infection, mainly transmitted through sexual contact. Therefore, unmarried women without sexual activity might not consider cervical cancer screening necessary. However, it is still recommended for unmarried women who are sexually active to undergo cervical cancer screening, especially if they started sexual activity at a young age and have multiple sexual partners. The screening generally includes HPV testing, cytology (TCT), and colposcopy.

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Oncology

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Self-exam method for cervical cancer

There aren't many methods for self-examination of cervical cancer. If symptoms such as vaginal bleeding or discharge occur, it is crucial to visit a hospital for a gynecological examination promptly. Of course, the diagnosis of cervical cancer should still rely on the examination by specialist doctors at hospitals. There are cytological examinations of cervical scrapings available, as well as examinations of cervical and endocervical tissue to confirm whether it is cervical cancer or not. Particularly, the examination of cervical and endocervical tissue is the main basis for confirming cervical cancer. Therefore, we should still undertake pathological examinations to confirm whether it is cervical cancer or not, rather than relying solely on self-examination to diagnose cervical cancer.