Expert Interpretation:Medicine that the human body, uterine fibroids, and the relationship between estrogen levels, inhibit estrogen after the majority of uterine fibroids are shrinking. Some contraceptives, such as some articles containing estrogen and progestin contraceptive compound, and some after taking the drug in patients with uterine fibroids, there fibroids increases, so a lot of people think that birth control pills would induce uterine fibroids. Xiangya Hospital, Obstetrics and Gynecology Professor Yao Ruojin that oral contraceptives have been around there are many prejudices and misunderstandings, after 40 years of continuous improvement, today's oral contraceptives should be said to be relatively safe.
◆ There are three types of oral contraceptives
One contains estrogen and progestin combination contraceptive pill, these drugs have the most extensive in the market, such as Marvelon, reaching England 35, Minulet so.
Second, birth control pills contain only progestin, such as Cerazette, these drugs can be used as breast-feeding women, contraceptive choice, the new mothers taking these drugs contraception will not affect the secretion of milk.
Third, progesterone antagonist with emergency contraception, such as mifepristone tablets. If you use the first half of the menstrual cycle, then the delay ovulation; if used in the luteal phase, then the change in luteal function, so that pregnancy can not occur. With anti-ovulation, anti-implantation, expansion and the role of softening the cervix, so as to achieve the termination of early pregnancy, induce menstruation and the promotion of cervical ripening and so on.
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