Long-term use of the pill will have some effects on the body, the main hazards are the following: 1, long-term use of the pill is likely to cause menstrual disorders, the function of the ovaries and uterus may be affected, in addition may also be easy to induce cause ovarian cysts; 2, long-term use of the pill, due to the level of hormones, will lead to women prone to breast pain, and weight gain; 3, if Long-term use of the pill may also lead to vitamin deficiency, so this patient often needs more vitamin supplements than ordinary women; 4. Taking the pill for too long can also increase the probability of uterine fibroids and other gynecological diseases. So it is not recommended to take the pill for a long time, and you can consider using other methods for contraception.