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Cervical cancer is known to occur because of a virus called theHuman Papilloma Virus (HPV) transmitted through sexual contact. Bad local hygiene, too many children, not enough spacing between children, low nutrition levels and early marriage all contribute to the risk factors. The high risk group includes girls who have had premature sex as teenagers, those who have had multiple pregnancies or multiple sex partners and don t use contraceptives. The disease remains asymptomatic for a long time till it starts invading neighbouring tissues.
Precancerous changes in the cervix may be treated with cryosurgery, laser surgery. Cryosurgery is a method in which a metal probe is cooled with liquid nitrogen and placed directly on the cervix. This freezes the abnormal cells and thus kills them. Laser surgery involved vapourising abnormal cells with a focused laser beam, directed through the vagina. This method is also used to remove a small piece of tissue for study.
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