Do eat contraceptives will have ovarian cancer?

Oral contraceptives is a relatively safe, effective and welcomed by the women of contraceptive methods. Current use of these drugs, active ingredient content is not to one-fourth, on the premise of ensuring its contraceptive effect, side-effects and effects on the metabolism of the body have decreased markedly. Around contraceptives and relationship between tumorigenesis, the vast majority of studies have shown that, if it\'s not high risk population of estrogen-dependent tumors (for example, have a family history of breast cancer, had suffered from breast cancer, cervical cancer and other estrogen-related cancer patients), after the oral contraceptives, which has no tendency to increase in the incidence of tumors. But some scholars study found that oral contraceptives on some malignant tumors, such as endometrial cancer, ovarian cancer also has a certain degree of inhibition, the reason for this may be the contraceptive efficacy of progesterone contained in prevent Endometrial hyperplasia.

Rhythm method by the so-called natural contraception method, its method is sexual intercourse to avoid ovulation day menstrual cycle, and after 5 days and 4 days before the day of ovulation (10 days) this period of easy to conceive, people refer to this period as \"ovulation period\", also known as an unsafe period. During this time other than as an easy to conceive of a security. In General, ovulation occurs about 14 days before the next menstruation instance. Newly married couples, if females comparison of the normal menstrual cycle regularity, you can try the rhythm method method. But because of the length of the menstrual cycle varies, ovulation can be under the influence of environmental, emotional, health and other factors, may occur early or delayed, so the rhythm method is not very reliable contraception still needs to be very careful with this method.