Safe Period Calculator

Free online Safe Period Calculator. Enter last period start date and cycle length to estimate safe, fertile and ovulation days. No signup, instant result.

사용법

매개변수 및 제한

See the input fields on the tool page for parameters

활용 사례

Pure frontend processing, results displayed in the browser

Runtime

Pure frontend; Agents see API example below

나이nt API 사용법

// Step 1: 读取工具 Schema
GET https://clawam.com/tools/anquanqi/schema.json

// Step 2: 在浏览器中执行工具逻辑
// 安全期计算器 在工具页 JS 中实现