避孕套的作用原理【倍力乐】

避孕套的作用原理

避孕套科普
避孕套的作用原理偶尔不使用避孕套

 发布时间： 2023-04-16  884

避孕套是一种广泛用于避免怀孕和传播性病的避孕方法。其主要通过在性行为过程中包住男性生殖器或女性生殖器来防止精子进入阴道，从而达到避孕的效果。下面我们将详细解释避孕套的作用原理以及不使用避孕套所可能引发的后果。

避孕套的作用原理偶尔不使用避孕套

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[ SQL ] SHOW COLUMNS FROM `cmf_portal_tag_post` [ RunTime:0.000673s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `cmf_portal_tag_post` `tp` INNER JOIN `cmf_portal_post` `p` ON `p`.`id`=`tp`.`post_id` INNER JOIN `cmf_portal_category` `c` ON `c`.`id`=`p`.`category_id` WHERE `tag_id` = 6048 AND `p`.`delete_time` = '0' AND `post_status` = '1' LIMIT 1 [ RunTime:0.277408s ]
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[ SQL ] SELECT `p`.*,c.name as cname,c.id as cid FROM `cmf_portal_tag_post` `tp` INNER JOIN `cmf_portal_post` `p` ON `p`.`id`=`tp`.`post_id` INNER JOIN `cmf_portal_category` `c` ON `c`.`id`=`p`.`category_id` WHERE `tag_id` = 6048 AND `p`.`delete_time` = '0' AND `post_status` = '1' LIMIT 0,10 [ RunTime:0.418974s ]
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[ SQL ] SHOW COLUMNS FROM `cmf_portal_category` [ RunTime:0.000676s ]
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[ DB ] CONNECT:[ UseTime:0.000197s ] mysql:host=127.0.0.1;port=3306;dbname=news;charset=utf8mb4
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