“Dink” women are more vulnerable to breast cancer do?
With the socio-economic development and women’s independence, some people pursuing a “lifestyle” such as single, non-birth, abortion, non-breast-feeding and so on. In fact, such kind of “fashion” likely to cause breast cancer.
There is evidence that women’s reproductive life is not the risk of breast cancer the highest first birth after the age of 35 were more than the chance of breast cancer, while in the birth before age 30 were less chance of breast cancer. We know that excessive estrogen stimulation is an important factor in breast cancer, while progesterone may be a protective factor. Therefore, breast-feeding through the protective effect of progesterone to reduce the risk of breast cancer. In addition, the nutritional content of breast milk than artificial feeding high, the baby even more.
In reproductive factors, there are early menarche, menstrual length, time delay menopause and so may increase the risk of breast cancer risk. Menarche younger than 12 years of age, the risk of breast cancer occurred more than 12 years of age than in the high 4 to 5 times; menstruation continues the number of days is greater than 7 days than the risk of less than 5 days, great; menopausal age of 55 after the age of menopause, compared with less than 45 years of age to increase the risk of a fold.