在生活中，婚姻是人生中非常重要的一步，但并不是所有人都能合法地步入婚姻殿堂。根据我国《民法典》的相关规定，以下几种情况属于禁止结婚的情形，请大家务必注意⚠️：

首先，直系血亲和三代以内的旁系血亲禁止结婚。这是为了防止近亲繁殖带来的遗传疾病风险，并保障后代健康👶🏻。

其次，患有医学上认为不宜结婚的疾病的人不得结婚。例如某些严重的精神病或传染性疾病，在未治愈前不宜结婚，以免影响双方及家庭的生活质量🩺。

最后，一方或双方未达到法定婚龄也不得结婚。目前我国规定的法定婚龄为男性不得早于22周岁，女性不得早于20周岁。这是为了确保年轻人能够充分成长，具备承担婚姻责任的能力💪。

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