避孕药的主要成份是什么?

2024-12-03 03:56:21
推荐回答(3个)
回答1:

一常用女用避孕药为甾体类,由人工合成的复方口服避孕药。1短效口服避孕药是有效而可逆的避孕方法之一,它是以孕激素为主,由单方小剂量孕激素组成或辅以雌激素配伍构成复方避孕药,可减少突破性出血。2长效口服避孕药(long2acting al contraceptives) 的抗生育作用,主要是抑制卵泡发育与排卵。其主要成分是炔雌醇环戊醚,简称炔雌醚。配伍人工合成的短效孕激素制成。二男性避孕药1雄激素单用抑制精子发生目前已知,单用外源性雄激素可通过负反馈抑制促性腺激素的分泌,使精子发生停滞;与此同时,又可维持性功能和替代雄激素在外周血的作用。2雄/ 孕激素合用于男性避孕孕激素是LH 和FSH 释放的强烈抑制剂。孕激素与雄激素联合应用可通过其各自对下丘脑/ 垂体的负反馈抑制促性腺激素的分泌,进而导致精子发生停滞。

回答2:

一常用女用避孕药为甾体类,由人工合成的复方口服避
孕药。
1短效口服避孕药
是有效而可逆的避孕方法之一,它是以孕激素为主,由
单方小剂量孕激素组成或辅以雌激素配伍构成复方避孕
药,可减少突破性出血。
2长效口服避孕药(long2acting oral contraceptives) 的抗生育作用,主要是抑制卵泡发育与排卵。其主要成分是炔雌醇环戊醚,简称炔雌醚。配伍人工合成的短效孕激素制成。

二男性避孕药
1雄激素单用抑制精子发生
目前已知,单用外源性雄激素可通过负反馈抑制促性
腺激素的分泌,使精子发生停滞;与此同时,又可维持性功
能和替代雄激素在外周血的作用。
2雄/ 孕激素合用于男性避孕
孕激素是LH 和FSH 释放的强烈抑制剂。孕激素与雄激素联合应用可通过其各自对下丘脑/ 垂体的负反馈抑制促性腺激素的分泌,进而导致精子发生停滞。

回答3:

你好,应该是雌激素和孕激素.如果有什么不清楚地欢迎您继续提问,

你好朋友,可以看产品使用说明书即可

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