請問要怎樣明確知道哪一天是排卵日? - 成人話題討論
By Isla
at 2008-02-04T11:52
at 2008-02-04T11:52
Table of Contents
※ 引述《etuo (日出)》之銘言:
: 如果月經固定28~30天來
: 除了用月經第一天來起算往後推14天外
: 有什麼辦法呢?
: 或是外面有沒有賣檢測的東西?
: 去哪買?價位多少呢?
: 謝囉
已 知:
經期 => 30天
月經 => 5天
上次來 => 1/1(來的第一天,不管多少,即使是一點點紅)
基本常識:
排 卵 日 => 下次預定月經來的前 14 天
卵子壽命 => 24 hrs => 1 天
精子壽命 => 72 hrs => 3 天
排卵誤差 => 48 hrs => 2 天
計算如下:
01 05 10 15 20 25 30
------------------------------
↑ ↑ ↑ ↑
| | | |
1/1 1/5 1/17 1/30
MC來 MC完 排卵 預計下次月經來
5天 ? 14天
├———┴——————┬————┼————┬———————┤
安全期 ↑ ? 危險期 ↑ 安全期
1/13 ↑ ↑ 1/23
| |
排卵誤差 排卵誤差
卵子壽命 卵子壽命
精子壽命
PS:此法並非100%安全,理由在於排卵週期並非每次都一樣,仍建議使用
保險套較為安全,安全期避孕法僅供於參考!
--
: 如果月經固定28~30天來
: 除了用月經第一天來起算往後推14天外
: 有什麼辦法呢?
: 或是外面有沒有賣檢測的東西?
: 去哪買?價位多少呢?
: 謝囉
已 知:
經期 => 30天
月經 => 5天
上次來 => 1/1(來的第一天,不管多少,即使是一點點紅)
基本常識:
排 卵 日 => 下次預定月經來的前 14 天
卵子壽命 => 24 hrs => 1 天
精子壽命 => 72 hrs => 3 天
排卵誤差 => 48 hrs => 2 天
計算如下:
01 05 10 15 20 25 30
------------------------------
↑ ↑ ↑ ↑
| | | |
1/1 1/5 1/17 1/30
MC來 MC完 排卵 預計下次月經來
5天 ? 14天
├———┴——————┬————┼————┬———————┤
安全期 ↑ ? 危險期 ↑ 安全期
1/13 ↑ ↑ 1/23
| |
排卵誤差 排卵誤差
卵子壽命 卵子壽命
精子壽命
PS:此法並非100%安全,理由在於排卵週期並非每次都一樣,仍建議使用
保險套較為安全,安全期避孕法僅供於參考!
--
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