安全期计算器 - 生活好帮手
by Shanghai Yuanlai Infomation Technology Co., Ltd. more by this developer →
#334,924 of 719,896 by ratings on Apple · #22,135 of 50,597 in Health & Fitness
First seen by this census 09/05/2026 — the store does not publish a creation date
Last updated 05/10/2017
Tracked since 09/05/2026
Compare with another extension
Category: Health & Fitness
Description
安全期是指女性月经前7天和月经后8天，是多数人用来避孕的一种计算方法。
除了使用天数计算的日历法外，尚有基础体温法和分泌物观察法。
然而安全期并非绝对安全，有时候女性排卵会提前，或者延后，此时安全期的判断就会变得无效。判断安全期只能减少怀孕的几率。
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Growth
Change in ratings, scaled to each window from the real gap between crawls. A window needs a full period of history before it reports anything.
| Per | Growth | Growth % | Actual change | Measured over |
|---|---|---|---|---|
| day | Not enough history yet | |||
| week | Not enough history yet | |||
| month | Not enough history yet | |||
| year | Not enough history yet | |||
History
Tracking since 09/05/2026. History accumulates as changes are observed — check back soon.