How accurate is this?

Only about 5% of babies are born on their due date. Most arrive within 2 weeks before or after.

预产期计算器

估算宝宝的预产期

Last Period Year

Last Period Month

Last Period Day

Due Date = Last Menstrual Period + 280 days

Naegele's rule estimates due date as 280 days (40 weeks) from the first day of the last menstrual period.

Due date approximately October 22, 2026.

Estimate your baby's due date using Naegele's rule based on your last menstrual period.

计算您的身体质量指数

根据目标找到每日卡路里需求

估算您的体脂百分比

根据身高找到理想体重