cervical intraepithelial neoplasia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Married 65 year old woman; Lived more than 1 year in this region; Signed a consent form.
Exclusion criteria
Exclusion criteria: All the subjects under any circumstances shall not be included in this study: Pregnant women; Having a history of hysterectomy; Having a history of cervical and vaginal lesions treatment; Other malignant tumor patients; Blood system, digestive system disease; Having used B vitamins nearly three months.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| human papilloma virus;Folate;Folate receptor a;Tumor-suppressor gene DNA methylation; | — |
Countries
China