Labour: what happens from the first contractions to birth

Pregnancy · Wellbeing · Reviewed 20 June 2026 · All articles

Labour is one of those experiences that almost everyone has an opinion about, and almost no one can fully predict in advance. The broad sequence of events is consistent, but the timing, intensity, and detail vary enormously from person to person and birth to birth. Understanding what is likely to happen, and why, gives you a clearer frame for the experience rather than a script to match against reality.

This article walks through the stages of labour in order, from the first signs that things are starting through to the delivery of the placenta, with honest notes on pain, monitoring, and the moments that do not always go to plan.

Stage	What is happening	Typical duration	What you can do
Early labour (latent phase)	Cervix dilates to 4 cm, contractions begin and may be irregular	Varies widely, often 6 to 12 or more hours for first-time parents	Rest at home, eat lightly, time contractions
Active labour	Cervix dilates from 4 to 10 cm, contractions 3 to 5 minutes apart lasting 45 to 60 seconds	Typically 3 to 8 hours	Use pain relief options, apply breathing techniques, go to your birth unit
Transition	Final dilation to 10 cm, most intense contractions with little rest between them	15 to 60 minutes	Stay focused, lean on your support person, breathe through the urge to push
Pushing (second stage)	Baby moves down the birth canal and is born	20 minutes to 2 hours for a first birth	Follow midwife guidance on when to push and when to slow down
Third stage	Placenta is delivered	5 to 30 minutes	Can be active (oxytocin injection) or physiological (natural): discuss your preference in your birth plan

Early labour: the latent phase

Early labour, also called the latent phase, begins when the cervix starts to shorten, soften, and open (dilate) toward 4 centimetres. Contractions during this phase can feel like strong period cramps, back ache, or tightening waves across the abdomen. They may be irregular, ranging from every 20 minutes to every 5 minutes, and they may stop and restart over the course of hours.

This phase can last anywhere from a few hours to one to two days, particularly for a first birth. That is a wide and sometimes alarming range, and it is worth being prepared for it. Many people arrive at hospital during early labour and are sent home again to wait, not because anything is wrong, but because the process has further to go before active support is useful.

Signs that labour may be beginning include a "bloody show" (a small discharge of mucus, sometimes streaked with blood, as the mucus plug from the cervix passes), a low and persistent backache, loose stools, and the waters breaking. Waters breaking is a gush or a slow trickle of clear or slightly pink fluid; it should be reported to your midwife or hospital team promptly even if contractions have not started, as there is a small infection risk once the membranes have ruptured.

During early labour, the practical advice is to stay at home if it is safe to do so, keep mobile, eat lightly if you can, and rest when contractions allow. Trying to sleep through mild early labour is entirely reasonable.

Active labour: 4 to 10 centimetres

Active labour begins around 4 to 5 centimetres of cervical dilation and is marked by contractions that are longer, stronger, and closer together. A common pattern is contractions lasting 45 to 60 seconds and arriving every 3 to 5 minutes. This is when most people go to hospital or a midwifery-led unit, and it is when the process really accelerates.

The cervix typically dilates at roughly 0.5 to 1 centimetre per hour in active labour, though this is a rough average and individual variation is wide. By 8 centimetres most people are well into the rhythm of labour and managing contractions requires real focus.

The hospital or birth unit team will assess dilation on arrival and monitor contractions and the baby's heart rate. Fetal monitoring can be intermittent (a handheld Doppler device used every 15 minutes) or continuous (a CTG machine with straps around the abdomen), depending on your risk level and the preferences of your care team. Continuous monitoring is more common if there are concerns about the baby's wellbeing or if you have an epidural in place.

Most hospitals advise calling the maternity unit when contractions follow the 5-1-1 pattern: at least every 5 minutes, lasting at least 1 minute, for at least 1 hour. Go sooner or call immediately if your waters break, if you notice blood beyond spotting, if the baby's movements slow significantly, or if something feels wrong.

Transition: the most intense stretch

Transition refers to the period as the cervix dilates from around 8 to 10 centimetres, completing the first stage of labour. It is typically the shortest part of the process, often lasting 15 to 60 minutes, but it is widely described as the most intense. Contractions during transition are very long, very strong, and may arrive almost without pause.

Common experiences during transition include shaking, nausea or vomiting, feeling very hot or very cold, a strong urge to push before the cervix is fully dilated, and a feeling of being overwhelmed. If you are experiencing these things, it often means you are close to the end of the first stage. Knowing that can help.

If the urge to push arrives before your midwife or doctor has confirmed you are fully dilated, you will be asked to breathe through it rather than bear down, because pushing against a cervix that is not yet fully open can cause swelling and slow progress. Panting or blowing out in short breaths can help resist the reflex.

The second stage: pushing and birth

The second stage of labour begins when the cervix is fully dilated at 10 centimetres and ends with the birth of the baby. For a first birth, this stage typically lasts between 30 minutes and 2 hours. For subsequent births it is often much shorter, sometimes only a few minutes.

When you feel the urge to push, most care providers encourage you to follow it, bearing down during contractions and resting between them. Pushing with contractions rather than against them uses your body's natural rhythm and is more effective. Some people find pushing a relief after the intensity of transition; others find it exhausting.

Positions for pushing vary and there is no single correct choice. Upright positions such as squatting, kneeling, or standing can use gravity and may reduce the need for instrumental assistance. Lying on your back with legs raised is still common but is not the only option, and being upright or on your side is associated with fewer perineal tears in some studies.

As the baby's head reaches the perineum, you may feel a burning or stretching sensation called the "ring of fire." Slowing the push at this point and allowing the tissues to stretch gradually is associated with fewer tears. Your midwife will guide you on when to push and when to slow down.

Once the head is born, the shoulders follow with the next contraction. The rest of the body typically slides out quickly. The baby will be placed on your chest for skin-to-skin contact as soon as possible, or handed to a partner if you need immediate medical attention.

Immediately after birth: skin to skin and cord clamping

Skin-to-skin contact in the first minutes and hours after birth serves several purposes. It regulates the baby's body temperature, supports the initiation of breastfeeding, promotes bonding, and stabilises the baby's heart rate and blood sugar. Where both parent and baby are well, uninterrupted skin-to-skin for at least an hour is now standard guidance from the World Health Organization and most national bodies.

Delayed cord clamping, meaning waiting at least one to three minutes before cutting the umbilical cord, allows blood to continue flowing from the placenta to the baby. This increases the baby's iron stores and haemoglobin levels and is recommended as standard practice by the WHO and NICE for most births, including preterm births above 34 weeks where the baby is well. If the baby needs immediate resuscitation, clamping happens sooner, but this is the minority of births.

The cord itself is painless to cut. Partners are usually offered the opportunity to cut it. The cord stump that remains on the baby's navel takes one to two weeks to dry and fall off.

The third stage: delivering the placenta

The third stage of labour is the delivery of the placenta, which usually happens within 5 to 30 minutes of the baby being born. There are two approaches.

Active management involves an injection of oxytocin (or a combination drug) given to the thigh shortly after birth. This causes the uterus to contract strongly and expel the placenta more quickly, reducing the risk of postpartum haemorrhage. It is offered routinely in most hospital settings and is recommended for people with a higher risk of heavy bleeding.

Physiological (natural) third stage involves no injection and waiting for the placenta to deliver spontaneously, usually aided by breastfeeding or nipple stimulation, which triggers natural oxytocin release. This takes longer and carries a somewhat higher risk of heavy bleeding, but some people prefer it. You can discuss both options with your midwife in your birth plan.

After the placenta is delivered, the team will check it is complete, assess any perineal tears, and if needed offer stitches with local anaesthetic. Staying calm and relaxed at this point makes the process more comfortable.

Pain relief options

Pain in labour is real and individual. What one person finds manageable, another finds overwhelming, and there is no correct amount of pain relief to use. The options available include:

Gas and air (Entonox): A mixture of nitrous oxide and oxygen breathed through a mouthpiece. It does not remove pain but takes the edge off and gives you something to focus on. It works within seconds and leaves the body quickly. Side effects can include dizziness or nausea.
Epidural: A regional anaesthetic injected into the space around the spinal cord, providing significant pain relief below the waist. It is the most effective option available. It requires an anaesthetist to place, takes 10 to 20 minutes to work, and usually requires continuous fetal monitoring once in place. Some people find it slows labour slightly; modern low-dose epidurals allow more mobility than older formulations.
Pethidine or diamorphine: Opioid injections given into the muscle. They reduce pain without eliminating it and can cause drowsiness and nausea. They cross the placenta and can affect the baby's breathing if given close to birth; the baby may need a medication called naloxone to reverse the effect.
TENS machine: Transcutaneous electrical nerve stimulation delivers small electrical pulses to the back via sticky pads, which may interfere with pain signals. Most useful in early labour. Hire or purchase in advance as hospitals do not usually supply them.
Water immersion: A bath or birth pool can provide significant relief in labour, particularly in the active phase. Being in water during pushing is associated with lower rates of perineal trauma. Check availability with your birth unit in advance.
Non-medical approaches: Movement, changing positions, breathing techniques, massage, heat packs, and the presence of a calm and familiar support person all have genuine effect on pain experience. None replaces medical pain relief if you need it, but all are worth having in your toolkit.

When labour goes differently

Most labours follow the sequence above, but a significant minority take a different path. Being informed about the common variations reduces the shock if they apply to you.

Induction: Labour that is started artificially using a hormonal pessary, gel, or tablet (prostaglandin) to ripen the cervix, followed by a drip of synthetic oxytocin (Syntocinon) if needed. Induction is offered when continuing the pregnancy poses more risk than delivering: past 41 to 42 weeks, with certain pregnancy complications, or if the waters break without labour starting. Induced labours can feel more intense because contractions arrive without the gradual build of spontaneous labour. Epidural rates are higher in induced labours.

Assisted delivery: If the baby needs to be born but is not coming with pushing alone, the team may offer a forceps delivery or a ventouse (vacuum cup) to help guide the baby out with the next contraction. These are used when pushing has been prolonged, when there are signs of fetal distress, or when the person pushing is exhausted. Both require an episiotomy (a cut to the perineum) or carry a higher risk of tearing.

Caesarean section: A surgical birth through the abdomen, carried out under spinal or epidural anaesthesia in most cases. An emergency caesarean is performed when vaginal birth is not progressing safely. A planned (elective) caesarean is scheduled in advance for clinical or personal reasons. Recovery from a caesarean takes longer than from a straightforward vaginal birth, and most people stay in hospital for two to three days.

None of these outcomes means something went wrong with you. They reflect the unpredictability of birth, and the availability of these interventions is one of the reasons serious birth complications are far less common than they were a century ago.

Frequently asked questions

When should I go to hospital in labour?

Most hospitals and midwifery units advise calling when contractions are regular and following the 4-1-1 or 5-1-1 pattern: contractions every 4 to 5 minutes, lasting at least 1 minute, for at least 1 hour. Go sooner if your waters break, if you have bleeding, if the baby's movements slow, or if you feel something is wrong.

How long does labour last?

There is no single answer. For a first birth, early labour can last many hours or even a day or two, while active labour typically lasts 4 to 8 hours. For subsequent births the process is usually faster. The pushing stage ranges from a few minutes to around 2 hours for first-time parents.

What pain relief options are available during labour?

Common options include gas and air (Entonox), an epidural (regional anaesthesia injected into the space around the spinal cord), pethidine or other opioid injections, a TENS machine, water immersion, and non-medical techniques such as breathing, movement, and massage. Availability varies by birth setting.

What is delayed cord clamping and why does it matter?

Delayed cord clamping means waiting at least one to three minutes before cutting the umbilical cord after birth, rather than clamping it immediately. During that time blood continues to flow from the placenta to the baby, increasing the baby's iron stores and red blood cell volume. Major guidelines including WHO and NICE recommend it as standard practice for most births.

Sources

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