There are three official stages of labor: dilation and contractions, pushing and birth, and delivery of the placenta. Some providers also refer to a “fourth stage,” the first one to two hours of recovery after birth, though this isn’t a universally recognized clinical stage. Each stage feels different, lasts a different amount of time, and asks something different of your body.
Stage 1: Contractions and Cervical Dilation
The first stage is typically the longest. It begins when regular contractions start opening your cervix and ends when your cervix reaches 10 centimeters of dilation. Two things happen simultaneously during this process: your cervix thins out (called effacement, measured as a percentage) and widens open (dilation, measured in centimeters). Both need to reach their maximum before you can deliver vaginally: 100% effaced and 10 cm dilated.
This stage breaks into two distinct phases that feel noticeably different.
Early Labor
Contractions during early labor are relatively mild, lasting 30 to 60 seconds and spaced 5 to 20 minutes apart. Your cervix gradually opens from closed to around 5 or 6 centimeters. You might notice a clear or slightly bloody discharge, sometimes called “show,” which signals that the mucus plug sealing your cervix has come loose. This phase can last up to 20 hours for first-time mothers, though it’s often shorter for those who’ve given birth before. Many people spend most of early labor at home, where they can move around, rest, and eat.
Active Labor
Active labor is when things intensify. Contractions become longer, stronger, and closer together, leaving less recovery time between them. Your cervix dilates from roughly 6 centimeters to the full 10. You may feel significant pressure in your lower back. This is generally when people head to the hospital or birth center if they haven’t already, and when pain management options like epidurals are commonly administered.
The very end of this phase, sometimes called “transition,” covers the final stretch from about 8 to 10 centimeters. It’s the most intense part of labor. Contractions may come every two to three minutes and last over a minute. Nausea, shaking, and a feeling of being overwhelmed are all normal during transition, but it’s also the shortest part of the first stage.
Stage 2: Pushing and Birth
Once your cervix is fully dilated, the second stage begins. This is when you actively push to help move the baby through the birth canal. You’ll likely feel intense pressure on your rectum, similar to the urge to have a bowel movement. As the baby descends, the top of their head becomes visible at the vaginal opening, a moment called “crowning.”
How long this stage takes varies widely. It can be as short as 20 minutes or stretch to several hours. First-time mothers generally push longer than those who’ve delivered before. The American College of Obstetricians and Gynecologists considers the second stage prolonged if pushing lasts more than 3 hours for a first-time mother or more than 2 hours for someone who has given birth previously. An epidural can also add time, since it reduces the sensation that guides your pushing effort.
Stage 3: Delivering the Placenta
After your baby is born, you still need to deliver the placenta, the organ that supplied oxygen and nutrients throughout pregnancy. Contractions resume about 5 to 30 minutes after birth, and these contractions help the placenta separate from the uterine wall. You may need to push again, or your provider may press gently on your abdomen to guide it forward.
This is the shortest stage, usually finishing within 30 minutes. If the placenta hasn’t delivered within that window, providers consider it abnormal and will intervene to prevent complications like heavy bleeding. To reduce that risk, many providers proactively manage this stage by giving a medication that helps the uterus contract firmly.
The Informal “Fourth Stage”
You’ll sometimes hear providers mention a fourth stage of labor, referring to the first one to two hours after delivery. This isn’t a formal clinical stage, but it’s a critical recovery window. Your uterus is contracting down to its pre-pregnancy size, your body is adjusting to significant fluid shifts, and your care team is monitoring for excessive bleeding. This is also when initial skin-to-skin contact and early breastfeeding typically happen. You may feel shaky, chilly, or exhausted, all of which are normal responses after the physical demands of delivery.
How to Tell Labor Has Actually Started
Before any of these stages begin, you need to know whether your contractions are the real thing. Practice contractions, called Braxton Hicks, can feel convincing, especially in the final weeks of pregnancy. A few key differences help you tell them apart.
True labor contractions follow a regular, predictable pattern. They get progressively stronger over time rather than staying the same or fading. The pain typically starts in your back and wraps around to the front, whereas Braxton Hicks tend to be felt only in the front of your abdomen. The simplest test: rest and drink water. If the contractions ease up or stop, they aren’t true labor. If they keep coming regardless, and the intervals between them are getting shorter, labor is likely underway.