懷孕計數器
計算您的懷孕週數、追蹤預產期倒數計時，並查看寶寶的發育階段。免費線上懷孕週數計算器。符合臺灣婦產科醫療指引。
Last Menstrual Period
Enter Your LMP Date
Enter the first day of your last menstrual period to calculate your pregnancy week, due date, and baby development stage.
計算您的懷孕週數、追蹤預產期倒數計時，並查看寶寶的發育階段。免費線上懷孕週數計算器。符合臺灣婦產科醫療指引。
Enter the first day of your last menstrual period to calculate your pregnancy week, due date, and baby development stage.
輸入您的最後一次月經第一天日期。
自動計算目前孕週和預產期。
檢視寶寶目前發育階段和大小參考。
計算您的懷孕週數、追蹤預產期倒數計時，並查看寶寶的發育階段。免費線上懷孕週數計算器。符合臺灣婦產科醫療指引。
Enter the first day of your last menstrual period to calculate your current pregnancy week, estimated due date, and trimester. See your baby's development stage with weekly size comparisons to familiar fruits and vegetables.
All data is stored locally in your browser and never uploaded to any server. No registration required.
See your exact pregnancy week and day with a visual progress bar showing how far along you are.
Each week your baby is compared to a familiar fruit or vegetable so you can visualize their growth.
Get your estimated due date calculated via Naegele's rule with a live days-remaining countdown.
Pregnancy Monitoring — Track your current trimester, week, and day to stay informed about your baby's development stage.
Appointment Planning — Know your exact gestational age to schedule prenatal checkups, ultrasounds, and lab tests on time.
Milestone Sharing — Share fun baby size updates and week-by-week progress with family and friends.