- Labour & Delivery
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You are in your third trimester, and you have been here for a while now, the weeks where every cramp, every tightening, every unusual sensation in your lower back sends a jolt of adrenaline through you before you remember to breathe and ask the question you have been asking approximately forty times a day for the past three weeks.
Is this it?
Labour in real life looks almost nothing like labour in films. There is no single dramatic moment where your waters break on the supermarket floor and a helpful stranger drives you to the hospital while you breathe theatrically. For most women, labour begins with something much more ambiguous, a pattern that takes hours to establish, signs that might mean something or might mean nothing, a body doing things that could be preparation or could be the real thing, and no definitive way to tell from the inside.
What helps is understanding what you are actually looking for. Not the movie version. The real version, the 12 things that, in combination and over time, tell you that labour has begun. Here is all of it, without the false reassurance and without the unnecessary alarm.
The thing to understand before the list
Labour is a process, not an event. For most women, particularly first-time mothers, it begins gradually and builds over hours, sometimes many hours. The signs below are not all present simultaneously at the start. Some arrive days before active labour. Some arrive only once labour is well underway. Understanding which signs mean something is beginning and which mean this is active labour, go now is the practical knowledge that will serve you when the moment arrives.
The most important principle: when you are unsure, call your maternity. Not after you have waited another hour to be more certain. Not at the point where you can barely speak between contractions. When you are unsure. Mauritius maternities have triage midwives available precisely for the phone call that says I don’t know if this is it but something feels different. That call is not overreacting. It is exactly what you are supposed to do.
1. Your baby drops, and everything shifts
In the weeks before labour, particularly for first-time mothers, your baby moves lower into your pelvis in a process called engagement or lightening. You may notice this as a change in the shape of your bump, it sits lower and further forward. Breathing suddenly feels easier because there is more room under your diaphragm. And almost simultaneously, walking becomes more waddling because there is considerably more pressure between your legs.
The increased frequency of bathroom visits that arrives with engagement is not your imagination, your baby’s head is now directly against your bladder. Neither is the feeling many women describe as carrying a bowling ball in their pelvis, because structurally, that is approximately what is happening.
Engagement can happen days or weeks before labour begins in some women, and in others, particularly those who have been pregnant before, it does not happen until active labour is already underway. Its timing alone does not tell you when labour will start. But the combination of engagement with other signs on this list is meaningful.
2. The mucus plug comes away
During pregnancy, a thick plug of mucus seals the cervix, protecting the uterus and its contents. As the cervix begins to soften and efface in preparation for labour, this plug is released, sometimes in one noticeable piece, sometimes gradually over several days in increased discharge that you might not identify as the plug at all.
When you do notice it clearly, it looks like a thick blob of mucus (clear, white, yellowish, or tinged pink or brown) with a small amount of blood. It can come away days before labour begins or during early labour itself, and its appearance alone does not mean labour is imminent. Many women lose their mucus plug and go on to wait another week or two. Many others are in labour within 24 hours.
Note it. Do not rush to the clinic on the basis of it alone unless it is accompanied by heavy bright red bleeding, which would warrant a call regardless of whether labour had started.
3. The bloody show
Distinct from the mucus plug, though sometimes confused with it, a bloody show is a small amount of pink or blood-streaked mucus that is released as the cervix begins to dilate. It is typically a sign that the cervix is actively changing, softening, thinning, and opening in the early stages of labour, and it often precedes established contractions by hours.
A bloody show is not heavy bleeding. It is a small amount of blood mixed with mucus. Heavy, bright red bleeding at any point in the third trimester warrants immediate contact with your maternity, go in, do not phone first.
4. Diarrhea or loose bowels
This one surprises most women, and most pregnancy books mention it only briefly if at all. In the days before labour begins, prostaglandins, the same hormones that stimulate uterine contractions, also stimulate the bowel, causing loose stools, frequent bathroom trips, or what feels like a digestive clear-out. Many women describe it as their body’s way of preparing for birth.
If you are in your third trimester and have suddenly developed an upset stomach with no obvious dietary cause, alongside other signs on this list, pay attention. It is frequently the body’s first announcement that something is starting.
5. The nesting energy arrives with unusual force
Most women experience some version of nesting in the third trimester, a general urge to prepare, organise, and get everything ready. The nesting that precedes labour is often qualitatively different: more urgent, more specific, more physical. Women describe reorganising things that did not need reorganising, cleaning at 11pm, an inability to sit still when they have been finding sitting the most comfortable position for weeks.
It is not a reliable predictor of exact timing as labour can follow the nest by days rather than hours, but many women looking back identify a specific evening of unusual, compulsive preparation as the last quiet night before everything changed.
6. You just feel different
This one is harder to quantify but worth including because it is so consistently reported. Many women describe a qualitative shift in the day or two before labour (a restlessness, a heightened emotional sensitivity, an unusual quiet sense of focus, an inability to settle into anything the way they normally would). Some describe a feeling of waiting that is more specific than the general third-trimester waiting of the past few weeks.
This is not a sign you can time or measure. It is the particular intelligence of a body that knows something is about to happen, communicating through the only channel available to it, which is your own awareness of how you feel.
7. Braxton Hicks become more frequent and more intense
Braxton Hicks, the practice contractions your uterus has been making since the second trimester, often increase in frequency and strength in the days before labour. Many women find them difficult to distinguish from early labour contractions at first, which is exactly what they are designed to prepare you for.
The distinguishing features: Braxton Hicks are irregular. They do not follow a pattern. They tend to ease when you change position, have a drink of water, or rest. They do not progressively intensify over time. One Braxton Hicks tightening might be strong, followed by nothing for forty-five minutes, then a mild one, then silence for an hour. The irregularity is the information.
8. Real contractions begin
And here is where the distinction becomes critical.
True labour contractions are fundamentally different from Braxton Hicks in their behaviour over time, not necessarily in how they feel at the beginning, because early labour contractions can be mild enough to be mistaken for strong Braxton Hicks, but in what they do as time passes. They intensify. They lengthen. They arrive more closely together. And they do not stop.
You may feel them across the front of your abdomen, wrapping around to your lower back and hips. Some women feel them primarily in the back, particularly if their baby is in a posterior position, facing forward rather than toward the spine — in which case the dominant sensation is waves of deep lower back pain that come and go rhythmically. Back labour is real, it is common, and it is no less valid than the front-cramping variety that most people picture.
The pattern is what matters. One contraction, even a strong one, tells you nothing. A pattern, contractions that are returning at increasingly predictable intervals and building in intensity each time they do, tells you something is happening.
9. The 5-1-1 rule
This is the guideline most Mauritius clinics use to help women know when to come in, and it is worth knowing before you need it.
Contractions are occurring every 5 minutes. Each contraction lasts approximately 1 minute. This pattern has been sustained for at least 1 hour.
If you reach 5-1-1 with your first labour, call your maternity. They may ask you to come in for assessment, or they may give you specific guidance based on your situation. For women who have given birth before, labour often progresses faster and maternities sometimes recommend coming in earlier, ask your gynaecologist for guidance specific to your history rather than assuming the same rule applies.
The 5-1-1 rule is a guideline, not an absolute. If your contractions are at 7-1-1 but have been intensifying rapidly for an hour and you feel something is changing fast, call. If you have had a previous fast labour, call earlier than 5-1-1. If anything feels wrong regardless of the contraction pattern, call immediately.
10. Your waters break
This is the sign most dramatised in fiction and most misunderstood in reality. For approximately 15% of women, the waters breaking is the first sign of labour rather than something that happens during it. For most, it happens after contractions are already established.
The sensation is not always a dramatic gush. Many women describe a slow trickle, a sudden dampness, or a feeling of continuous slow leaking, something that makes them question whether they have simply not made it to the bathroom. The distinction is in what happens next: amniotic fluid continues to come, slowly and continuously, whereas urine can be controlled. Amniotic fluid is typically clear or very pale, watery, and has a distinctive mild sweet or slightly metallic smell entirely unlike urine.
If you think your waters have broken, whether it is a gush or a trickle, contact your maternity the same day, even if you have no contractions. Once the waters break, the sterile environment around your baby is open to the outside world, and your maternity needs to know. Most will ask you to come in for a check rather than waiting at home.
One important note for Mauritius specifically: if your amniotic fluid is green, brown, or contains any visible particulate matter, this indicates meconium, your baby’s first stool, has been passed into the fluid, which can indicate fetal distress. Do not wait. Go directly to your maternity or call SAMU on 114.
11. Your cervix is changing at appointments
From around 36 weeks, your gynaecologist may mention cervical changes (effacement, which is the thinning and shortening of the cervix, and dilation, the opening of the cervical os). These are measured during internal examination and are one of the ways your doctor tracks how your body is preparing for labour.
A cervix that is described as soft, ripe, effaced, or one to two centimetres dilated is encouraging news in late pregnancy, but it does not predict when labour will begin. Some women remain two centimetres dilated for weeks. Others who show no cervical change at a Monday appointment are in established labour by Wednesday. The cervix is not a countdown clock. It is one piece of information among many.
12. The contractions keep coming no matter what you do
This is the final, clearest distinction between true labour and everything that preceded it. True labour contractions do not respond to rest, hydration, a warm bath, or a change of position. They continue. They build. They become impossible to talk through without stopping mid-sentence.
If you have been timing contractions for an hour and they are still there, still intensifying, still coming, that is labour. It is time to call.
When to call immediately, without waiting for a pattern
There are circumstances where you call your clinic or go directly to the Emergency without waiting for the 5-1-1 pattern to establish, without timing anything, without checking a list. Those circumstances are:
heavy bright red bleeding.
Sudden, severe headache with visual disturbances or facial swelling.
A significant, sustained reduction in your baby’s movements, baby should still be moving even in labour, and a marked change in their pattern at any point warrants immediate assessment.
Green or brown amniotic fluid if your waters break.
Any strong instinct that something is wrong, regardless of what the contractions are doing.
In Mauritius, SAMU is reachable on 114 for obstetric emergencies. Know this number. It belongs in your phone before you need it.
Braxton Hicks vs. real labour
The question you are probably asking yourself right now: so how do I actually know in the moment?
The single most reliable test is time. Sit down, drink a glass of water, and time what you are feeling for thirty minutes. If the contractions are becoming more regular, longer, and stronger over those thirty minutes, that is labour progressing. If they are irregular, varying in intensity, and some have stopped entirely, that is most likely Braxton Hicks, and they will probably ease further with rest.
If after thirty minutes you still cannot tell, time for another thirty. And if after an hour you are still uncertain but something continues, call your maternity. Uncertainty plus persistence is a good enough reason to pick up the phone.
Frequently Asked Questions
What is the most reliable sign that labour has started?
Contractions that become progressively stronger, longer, and closer together over time and that do not stop when you rest, drink water, or change position. A single contraction tells you nothing. A sustained and intensifying pattern over an hour tells you something is happening.
Can labour start without contractions?
Yes. For some women the first sign of labour is their waters breaking, before contractions become established. If you think your waters have broken, contact your maternity the same day regardless of whether contractions have started.
How long after losing the mucus plug does labour start?
This varies enormously from a few hours to a couple of weeks. The mucus plug coming away means your cervix is beginning to change, but it does not reliably predict when active labour will begin. Note it, but do not necessarily drop everything and head to the clinic unless other signs are present.
Is diarrhea a sign of labour starting?
It can be. Prostaglandins released in the lead-up to labour can affect the bowel, causing loose stools or more frequent bathroom trips. In the third trimester, with no other obvious cause, it is worth paying attention to, particularly if accompanied by other signs from this list.
What is the 5-1-1 rule?
Contractions every 5 minutes, lasting 1 minute each, sustained for at least 1 hour. This is the guideline most Mauritius maternities use as a threshold for first-time mothers to call or come in. If you have given birth before, your maternity may recommend coming in earlier, ask your gynaecologist for guidance specific to your history.
Should I call the clinic even if I am not sure it is labour?
Yes, always. Mauritius maternities have triage midwives available for exactly this call. Uncertainty plus something that continues is a valid reason to pick up the phone. You are not overreacting by asking. You are doing what you are supposed to do.
References: Royal College of Obstetricians and Gynaecologists — When do I go to hospital for labour? rcog.org.uk. NHS — Signs that labour has begun. nhs.uk. American College of Obstetricians and Gynecologists — How to tell when labour begins. acog.org. Tommy’s — Signs of labour. tommys.org. Ministry of Health and Wellness Mauritius — Maternal health guidelines.
Disclaimer: This article is for informational purposes only. Every pregnancy and labour is different. Always follow the specific guidance of your gynaecologist or midwife. If you have concerns about contractions, reduced fetal movement, bleeding, or amniotic fluid at any point, contact your clinic immediately or go to your nearest Emergency.