Contractions during active labor typically last between 45 and 60 seconds each. They come every 3 to 5 minutes. This timing is the clearest sign your body is working to open the cervix and move the baby down. If your contractions are shorter than 30 seconds or more than 10 minutes apart, you are likely in early labor or false labor. This is the standard pattern that hospitals and midwives look for to confirm active labor has started.
What Is a Normal Contraction Duration?
A normal contraction lasts 30 to 70 seconds from start to finish. The length changes as labor progresses. In early labor, contractions may last only 30 to 45 seconds. They feel mild and irregular. As labor moves into the active phase, contractions get longer, stronger, and closer together. By the time you are in transition — the final stage before pushing — contractions can last 60 to 90 seconds. Some women report contractions lasting up to 120 seconds during transition, though this is less common.
What matters most is the pattern over one to two hours. One long contraction is not a sign of anything. A consistent pattern of contractions lasting 45 to 60 seconds every 3 to 5 minutes is the real signal. The uterus is a muscle. It contracts, holds, and relaxes. The relaxation between contractions is just as important as the contraction itself. That break allows blood flow back to the placenta and gives you a moment to rest.
How Long Should Contractions Last in Early Labor?
Early labor contractions last 30 to 45 seconds on average. They may come every 5 to 20 minutes. Many women describe them as similar to strong menstrual cramps. The cervix is dilating from 0 to about 6 centimeters during this phase. For first-time mothers, early labor can last 6 to 12 hours or longer. The contractions are often irregular. They may stop and start. This is normal.
Some women experience prodromal labor. These are real contractions that do not progress into active labor. They can last for days. Prodromal contractions follow a pattern but never get closer together or longer. They are frustrating but not dangerous. If your contractions are consistently less than 30 seconds long and irregular, you are likely still in early labor. Rest and hydrate. Active labor has not started yet.
How Long Should Contractions Last in Active Labor?
Active labor contractions last 45 to 60 seconds. They come every 3 to 5 minutes. The cervix dilates from 6 to 10 centimeters during this phase. Most women feel these contractions require full attention. Talking through them becomes difficult. Walking or changing positions may help, but stopping to focus during each contraction is common.
Active labor typically lasts 4 to 8 hours for first-time mothers. It can be shorter for women who have given birth before. The key sign that you have moved into active labor is consistency. Contractions that are 45 to 60 seconds long and 3 to 5 minutes apart for at least one hour mean it is time to head to the hospital or birth center. If your water has broken, call your provider regardless of contraction timing.
How Long Should Contractions Last During Transition?
Transition contractions last 60 to 90 seconds. They come every 2 to 3 minutes. This is the shortest but most intense phase of labor. The cervix dilates from 8 to 10 centimeters. Many women feel pressure, nausea, shaking, or an urge to push during transition. Contractions may feel like they are coming one on top of another with very little break in between.
Transition can last 30 minutes to 2 hours. For some women it is over quickly. For others it feels endless. The intensity of transition contractions can make it hard to stay calm. This is normal. If you feel an urge to push before you are fully dilated, your body is telling you transition is nearly complete. Tell your provider or midwife immediately.
What If Contractions Are Too Long or Too Short?
Contractions lasting longer than 90 seconds are not typical. Very long contractions can mean the uterus is not relaxing properly between contractions. This reduces oxygen flow to the baby. If you have contractions lasting more than 90 seconds with less than 60 seconds of rest between them, call your provider right away. This can be a sign of uterine tachysystole, which requires medical evaluation.
Contractions shorter than 30 seconds are usually not strong enough to dilate the cervix. If your contractions are consistently short and irregular, you are likely in early labor or experiencing false labor. Some women have a pattern of short but very painful contractions. This can happen with back labor or if the baby is in a posterior position. Even if the contractions are short, intense pain warrants a call to your provider.
How to Time Contractions Correctly
Use a stopwatch or a contraction timing app. Start timing when you first feel the contraction begin. Stop timing when the contraction fully ends. The duration is the number of seconds from start to finish. The frequency is the time from the start of one contraction to the start of the next. Do not count from the end of one contraction to the start of the next — that is the rest period, not the frequency.
Time contractions for at least one hour before making decisions based on the pattern. One or two contractions that are 60 seconds long do not mean active labor has started. A consistent pattern over time is what matters. Many hospitals recommend calling when contractions are 60 seconds long and 5 minutes apart for one hour. Follow your specific provider’s guidance, as recommendations vary slightly.
When to Go to the Hospital Based on Contraction Timing
The standard recommendation is to go to the hospital when contractions are 45 to 60 seconds long and 3 to 5 minutes apart for at least one hour. For first-time mothers, some providers suggest waiting until contractions are 5 minutes apart. For women who have given birth before, labor can progress faster. Many providers recommend coming in when contractions are 7 minutes apart if you have had a previous vaginal birth.
Go to the hospital immediately if your water breaks, you have heavy bleeding, you feel decreased fetal movement, or you have a strong urge to push. Contraction timing alone does not rule out these emergencies. Always call your provider if you are unsure. It is better to be checked and sent home than to wait too long.
Does Contraction Duration Differ Between First and Subsequent Labors?
Yes. First labors tend to have a longer early phase with shorter contractions. Active labor contractions in first-time mothers often last 45 to 60 seconds. In subsequent labors, the entire process is usually shorter. Contractions may become long and strong more quickly. Some women who have given birth before report that their contractions jump from 30 seconds to 60 seconds within a short time.
The transition phase can also be shorter in subsequent labors. Contractions during transition may last 60 to 90 seconds regardless of how many times you have given birth. The difference is how long you stay in each phase. If you have had a baby before, your body may move from early labor to active labor in under an hour. Do not wait too long to go to the hospital.
How Do Contractions Change During Pushing?
During the pushing phase, contractions last 60 to 90 seconds. They may come every 2 to 4 minutes. The sensation changes. Instead of a wave of pain, you may feel an overwhelming urge to bear down. Some women feel relief during pushing because they can actively work with the contraction instead of enduring it.
Pushing usually lasts 1 to 3 hours for first-time mothers. It can be as short as 15 minutes for women who have given birth before. Contractions during pushing may space out slightly. Some women get a longer rest between contractions during this phase. This is normal and gives you time to catch your breath before the next urge to push.
What Does an Abnormal Contraction Pattern Look Like?
An abnormal pattern includes contractions lasting over 90 seconds, contractions with less than 60 seconds of rest between them, or contractions that are irregular and unpredictable for more than 12 hours without cervical change. Another abnormal pattern is contractions that are consistently weak — lasting under 30 seconds — with no progression over many hours.
Some women experience hyperstimulation from induction medications like Pitocin. This causes contractions that are too long, too frequent, or both. If you are being induced and your contractions feel overwhelming or do not give you a break, tell your nurse immediately. They can adjust the medication. Abnormal contraction patterns can stress the baby and require monitoring.
Do Contractions Always Follow the Same Pattern?
No. Every labor is different. Some women have very regular contractions from the start. Others have irregular contractions that suddenly become strong and close together. Back labor can cause continuous pain with contractions on top of it, making it hard to tell when one contraction ends and another begins. Some women feel contractions mostly in their back or thighs rather than the front of the abdomen.
The classic pattern of contractions getting longer, stronger, and closer together is what textbooks describe. Real life is messier. If your contractions are increasing in intensity over time and you cannot talk through them, you are likely in active labor even if the timing seems off. Trust how your body feels more than the stopwatch.
Frequently Asked Questions
How long should contractions last before going to the hospital?
Go to the hospital when contractions are 45 to 60 seconds long and 3 to 5 minutes apart for at least one hour. If you have given birth before, go sooner since labor can progress faster.
Can contractions be too long?
Yes. Contractions lasting longer than 90 seconds can reduce oxygen flow to the baby. Call your provider immediately if your contractions are over 90 seconds with less than 60 seconds of rest between them.
How long do contractions last when labor first starts?
In early labor, contractions typically last 30 to 45 seconds and come every 5 to 20 minutes. They are often irregular and feel like strong menstrual cramps.
What does it mean if my contractions are only 20 seconds long?
Contractions under 30 seconds are usually not strong enough to dilate the cervix. You are likely in early labor or experiencing false labor. Rest and stay hydrated.

