子宫肌瘤多数是良性的，这意味着它们的非癌。 Fibroids vary in size, ranging from as small as a pea to as large as a melon. They are also called leiomyomas or myomas.
肌瘤可在子宫位于膀胱和直肠之间的梨形器官的不同部分生长。 The uterine walls are composed of muscle, allowing it to expand enormously during pregnancy. Within the uterus is a central cavity in which the fetus develops.
子宫内膜是子宫腔的内衬。 A menstrual period results from the shedding of the endometrium. Fibroids located beneath this lining can cause very heavy bleeding.
卵巢，即产生雌性激素雌激素和孕酮，被束缚于所述子宫的上部，靠近输卵管的端部。 The fallopian tubes, where fertilization of the eggs occurs, are located at each side of the uterus.
子宫颈是子宫的最低部分。 It has a narrow canal through which menstrual blood passes. The main function of the cervix is to hold the uterus closed during pregnancy.
带蒂肌瘤附接到由茎子宫壁。 Subserosal fibroids extend outward from the uterine wall. Submucosal fibroids expand from the uterine wall into the uterine cavity. Intramural fibroids develop within the uterine wall. These different types of fibroids cause different symptoms. For example, submucosal fibroids typically cause heavy periods. In contrast, subserosal fibroids are more likely to push against the bladder, resulting 3in frequent urination.
bob体育篮球医生和医学研究人员不知道是什么原因导致肌瘤发展。 However, evidence suggests that the female hormones, estrogen and progesterone, can make fibroids grow. During pregnancy, when the hormone levels are high, fibroids tend to increase in size. After menopause, when the hormone levels are low, fibroids stop growing and may become smaller.
子宫肌瘤是很常见的。 It is estimated that 20-50 percent of all women have these benign uterine growths. Fibroids are most likely to affect women in their 30s and 40s. For reasons we don't yet understand, fibroids occur more frequently in African-American women. Many women with fibroids have other family members with fibroids too.
有些肌瘤在生育年龄期间稳步增长，而其他人保持相同大小多年。 All fibroids should stop growing after menopause. Women with fibroids that enlarge after menopause should seek evaluation from their doctor.
大多数子宫肌瘤，即使是大，不产生症状。 Unless a woman is experiencing symptoms, she usually doesn't need to undergo a fibroid treatment. However, when fibroids cause symptoms, a woman should seek medical attention.
没有两个妇女肌瘤是一样的。 The type of treatment will depend on the severity of the symptoms and the fibroid size, number and location. A woman's preference and desire for future childbearing is also considered. There are many effective ways to treat fibroids. However, not all treatments are recommended for all women. For example, some fibroid treatments may not be proven safe for women desiring future childbearing.
bbob体育足球比分ob体育UCSF医疗卫生专家已审阅该信息。 It is for educational purposes only and is not intended to replace the advice of your doctor or other health care provider. We encourage you to discuss any questions or concerns you may have with your provider.