Many people worry that the long-term use of the contraceptive pill would cause cancer. According to the information at home and abroad a lot of research shows that long-term use of the contraceptive pill would not cause cancer, as well as prevention of some cancers.
Oral contraceptives can prevent ovarian cancer. Ovarian carcinoma associated with ovulation occurs, local form a cyst of ovary after ovulation, ovulation more times, the formation of cysts more, and the cysts may become malignant. Use of the contraceptive pill can inhibit ovulation, reduced formation of cysts, so it reduces the incidence of ovarian cancer. According to United States Centers for disease control study showed that United States use of oral contraceptives may be exempted from 1700 women a year died of ovarian cancer. Wearing long-acting contraception of 2,600 women 5-13 years of follow-up, and no cases of ovarian cancer. The above illustrates the effect of oral contraceptives to prevent ovarian cancer.
Oral contraceptives can reduce the incidence of uterine fibroids and endometrial cancer. Both of these tumors and higher levels of estrogen in the body have a certain relationship. Contraceptives containing progesterone, taken to inhibit estrogen secretion, thereby have a preventive effect. According to statistics, women in 5 years continuous use of the contraceptive pill, 17% reduction in the incidence of uterine Leiomyoma. Taking the longer, more less likely to suffer from uterine fibroids. Another study showed that women taking contraceptive more than 1 year in a row, risk of endometrial cancer can be reduced by half; even after the withdrawal, its preventive effect can still be 5 years old. Taking the longer, smaller the risk of endometrial cancer risk.
Relationship between oral contraceptives and cervical cancer, breast cancer is not yet sure. But most scholars believe that many factors leading to both cancer incidence, both at home and abroad the information there is no evidence to substantiate its associated with taking contraceptives.
So taking birth control pills do not cause cancer. Of course, for women who are already suffering from a variety of tumors, for serious reasons, it is best not to use of the contraceptive pill.