Contraction Timer

Time your contractions easily and for free. Press at the start of each contraction, then press again when it ends. The tool automatically calculates the duration, interval, and alerts you according to the 5-1-1 rule.

00:00
Press to start
🚨
5-1-1 rule detected
Your contractions match the 5-1-1 rule. It may be time to go to the hospital. Contact your midwife or head to the hospital.
Average duration
Average interval
0
Total count

History

# Start Duration Interval
No contractions recorded. Press the button above to start.

The 5-1-1 rule: when to go to the hospital?

The 5-1-1 rule is a simple guideline recommended by many healthcare professionals to know when it is time to go to the hospital. It is summarized by three criteria:

When all three conditions are met, active labor has likely begun. This contraction timer automatically monitors your data and alerts you when the 5-1-1 rule is detected. Of course, every pregnancy is unique: when in doubt, always contact your midwife or hospital.

How to time your contractions?

Timing your contractions is essential for assessing labor progress. Here is how to use this tool:

It is recommended to time your contractions for at least one hour to get reliable data. The average duration and interval are displayed automatically, and the complete history is saved locally on your device.

Difference between real and false contractions

It is common to confuse Braxton-Hicks contractions (false contractions) with real labor contractions, especially late in pregnancy. Here is how to tell them apart:

False contractions (Braxton-Hicks):

Real labor contractions:

When in doubt, use this timer to check if your contractions are regular. If they become regular and increasingly frequent, contact your healthcare provider.