甲状腺肿好发于妇女。雌激素可能是致病因素,故口服避孕药(OC)可能使甲状腺肿的危险性增加,但最近一项对OC与甲状腺肿的流行病学关系进行一大样本队列研究结果表明,目前使用OC人群的甲状腺体积缩小,3712例妇女参加,年龄分别在18～22,25～30,40～45及60～65岁,来自丹麦二处轻～中度缺碘的地区,平均服用OC 5年,一般为3～8年 B超 Goiter occurs in women. Estrogen may be a causative agent, so oral contraceptives (OC) may increase the risk of goiter, but a recent large cohort study of the epidemiological relationship between OC and goiter showed that the current use of OC The thyroid volume of the population was reduced and 3712 women aged 18-22, 25-30, 40-45, and 60-65 years old were from two light to moderately iodine-deficient areas of Denmark with an average of 5 years of OC exposure, Generally 3 to 8 years B-ultra