阴道是连接子宫颈与外部性器官的肌肉通道。它具有两个主要功能:从体内取出月经血和促进性交繁殖。由于它是生殖系统的入口,因此它必须能够区分有益的细菌生物和引起疾病的细菌生物。阴道的pH值通常是酸性的,介于3.8至4.5之间,有助于预防感染。这意味着进入阴道的任何东西在到达生殖器官之前都会被杀死。当健康的阴道细菌分解食物颗粒时,酸度会自然产生。阴道中最常见的细菌类型是乳杆菌,产生乳酸。在阴道中发现的其他类型的细菌包括双歧杆菌和嗜热性链球菌。这些细菌通过产生杀死有害细菌的酸来帮助保持阴道的清洁和干燥。如果pH值过高或过低,则可能会破坏这种平衡,从而导致感染。例如,在酵母菌感染的妇女中,由于缺乏乳杆菌,pH值可能高于正常水平。由于某些细菌的过度生长,患有细菌性阴道病的女性的pH值可能低于正常水平。无论如何,治疗通常涉及恢复阴道中有益细菌的适当平衡。
揭示阴道PH值背后的神秘秘密:它们如何影响性健康和性交 cnEN IT FR DE PL TR PT RU AR JA ES
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Sex Education Basics
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