You are 32 weeks along and the pain under your right ribs has been building since morning. You assumed it was the baby’s position, or something you ate. Then the headache started, and it will not respond to the paracetamol you would normally reach for. Something about the combination feels different from ordinary pregnancy discomfort, and you are right to notice that.
I’m Dr. Suganya Venkat, an OB-GYN with over 15 years of clinical experience, and HELLP syndrome is one of the pregnancy complications I take most seriously precisely because it can move fast and does not always announce itself with high blood pressure the way preeclampsia usually does. I want to walk you through what it is, how it’s diagnosed, and exactly which symptoms deserve a same-day call to your hospital rather than a wait-and-see approach.
In this post:
- What HELLP syndrome stands for, and how it is diagnosed
- How it differs from preeclampsia, and why it can occur without high blood pressure
- The specific symptoms that need immediate attention
- Why delivery is the definitive treatment, whatever the gestational age
- What happens in hospital: medication, monitoring, and timing
- Recovery after delivery and what recurrence risk in a future pregnancy looks like
- Answers to the most common questions
What HELLP Syndrome Is
HELLP is an acronym for the three findings that define it: Haemolysis (the breakdown of red blood cells), Elevated Liver enzymes, and Low Platelets. It is a severe complication of pregnancy, most often but not always linked to preeclampsia, and it reflects a process affecting the liver, the blood, and the clotting system all at once (Sibai BM, Obstetrics & Gynecology, 2004, PMID 15121574).
HELLP is uncommon: it occurs in an estimated 0.5 to 0.9% of all pregnancies overall, but in 10 to 20% of pregnancies complicated by severe preeclampsia (Haram K et al., BMC Pregnancy and Childbirth, 2009, PMID 19245695). Most cases develop before delivery, typically between 27 and 37 weeks, though about a third of cases are diagnosed within 48 hours after delivery, which is why the symptoms below matter in the postpartum period too, not only during pregnancy.
Diagnosis is made on blood tests, not on how unwell you look or feel. The three components are confirmed through:
- Haemolysis: evidence of red blood cell breakdown on a peripheral blood smear, raised bilirubin, or reduced haptoglobin
- Elevated liver enzymes: AST and ALT above the normal range, reflecting liver cell stress
- Low platelets: a platelet count below 100,000 per microlitre, which affects the blood’s ability to clot normally
Because these are lab findings, HELLP is sometimes picked up on a routine antenatal blood test before a woman has any symptoms at all. More often, though, it is symptoms that bring a woman in, and the blood work then confirms what is happening.
How HELLP Differs From Preeclampsia
Our detailed guide on preeclampsia covers the broader condition: high blood pressure after 20 weeks combined with protein in the urine or signs of organ involvement. HELLP sits within that same family of hypertensive pregnancy disorders, but it is not simply “worse preeclampsia” in a way that always shows up on the blood pressure cuff first.
This is the detail that catches people off guard. Some women with HELLP have the high blood pressure and proteinuria typical of preeclampsia. Others develop HELLP with blood pressure that is only mildly raised, or occasionally normal, which means the diagnosis can be missed if a clinician is looking primarily at the blood pressure reading rather than considering the symptom pattern and ordering the right blood tests. This is also different from gestational hypertension, which is high blood pressure alone without the liver, blood, or platelet involvement that defines HELLP.
The practical takeaway: if you have the symptoms described below, whether or not your blood pressure readings have been normal at your recent visits, they still warrant urgent assessment. HELLP is one of the reasons a persistent, unusual symptom deserves a same-day call rather than being weighed against how your blood pressure has looked so far.
Symptoms That Need Immediate Attention
These are the symptoms to know, in the order they most commonly appear:
Pain under the right ribs or in the upper abdomen. This is the single most distinctive early symptom of HELLP, caused by swelling and stretching of the liver capsule as liver cells come under stress. It is frequently mistaken for indigestion, gas, or heartburn, especially in the third trimester when digestive discomfort is common for other reasons. The distinguishing feature is that it does not respond to antacids and tends to be more persistent or severe than typical pregnancy heartburn.
Nausea and vomiting, particularly when it appears newly or worsens in the third trimester after having settled since the first trimester. Late-onset nausea and vomiting in pregnancy is worth mentioning to your doctor rather than assuming it is unrelated to anything serious.
A headache that does not respond to paracetamol, especially one that is severe, persistent, or different in character from headaches you have had before in this pregnancy.
Visual disturbances: blurred vision, seeing spots or flashing lights, or temporary vision loss. These reflect the same processes affecting blood vessels elsewhere in the body and always warrant urgent evaluation.
General malaise and fatigue that feels disproportionate to how far along you are, sometimes described as simply feeling unwell in a way that is hard to put into words.
Swelling, particularly of the face and hands, though this is a less specific sign since mild swelling is common in normal pregnancy too.
If you notice pain under your right ribs together with any of the other symptoms above, particularly a headache or visual change, this combination is not something to monitor at home overnight. Same-day assessment at your hospital is the right response, not an overreaction.
If any of this sounds like what you are experiencing right now, please do not wait to see if it settles. Message Dr. Suganya on WhatsApp to talk through what you’re feeling, and go to your nearest hospital or labour ward if the symptoms are active right now rather than waiting for a reply.
Why Delivery Is the Only Definitive Treatment
Once HELLP syndrome is confirmed, delivery is the treatment that resolves it, regardless of gestational age. This can feel like a hard thing to hear if you are early in the third trimester or before, but it reflects how the condition works: HELLP originates from the placenta, and as long as the placenta remains in place, the underlying process driving the haemolysis, liver strain, and platelet drop continues.
This does not mean delivery happens the moment HELLP is diagnosed in every case. The decision balances the severity of the maternal findings against the gestational age and the baby’s condition:
- After 34 weeks, or if the maternal or fetal condition is unstable at any gestational age, delivery is generally recommended without delay.
- Before 34 weeks, if both mother and baby are stable, a short period of expectant management (typically no more than 48 hours) may be considered to allow steroid injections to mature the baby’s lungs, with very close monitoring throughout. This window is used cautiously and is abandoned immediately if either mother or baby shows signs of deterioration.
Vaginal delivery is preferred where it is a safe option, but the mode of delivery is ultimately decided based on how quickly delivery needs to happen, the cervix’s readiness for labour, and the overall clinical picture. A caesarean is often needed when the situation is more urgent or vaginal delivery is not judged to be a safe or timely option.
What Happens in Hospital
If you are admitted with suspected or confirmed HELLP syndrome, here is what the care team is doing and why:
Repeat blood tests. Full blood count, liver function tests, and a coagulation screen are repeated frequently, sometimes every few hours in the acute phase, to track whether the platelet count and liver enzymes are stabilising, worsening, or improving. This is how the team decides whether expectant management (if being tried) remains safe to continue.
Magnesium sulphate. This is given to prevent eclampsia, meaning new-onset seizures, which is a risk that runs alongside HELLP given the shared underlying process with preeclampsia. It is not a blood pressure medication in itself; it is specifically a seizure-prevention measure and is one of the best-studied interventions in obstetric emergency care.
Blood pressure control, using antihypertensive medication if blood pressure is elevated, to reduce the risk of complications like stroke while decisions about timing of delivery are being made.
Steroid injections, given if the pregnancy is under 34 weeks and delivery is expected within the next few days, to help mature the baby’s lungs and reduce the risk of respiratory complications for a baby born preterm.
Blood or platelet transfusion, if the platelet count drops low enough to raise bleeding risk, particularly if a caesarean delivery is planned.
Continuous monitoring of the baby, since the same process that affects the mother’s liver and blood can also reduce blood flow to the placenta, and the team is watching for any sign that the baby needs to be delivered sooner rather than later.
This can feel like a great deal happening quickly, and it often is. The pace reflects how actively the team is working to keep both you and your baby safe, not a sign that something has gone catastrophically wrong. Most women who develop HELLP syndrome and receive prompt hospital care go on to recover well.
Recovery After Delivery
For most women, the laboratory abnormalities of HELLP begin improving within 24 to 48 hours after delivery, though platelet counts can take slightly longer, sometimes up to a week, to return fully to normal. You will likely stay in hospital for close monitoring during this period even after delivery, since the process does not always resolve instantly the moment the placenta is delivered.
Magnesium sulphate is typically continued for 24 hours after birth, because the risk of eclamptic seizures does not end the moment the baby is born. Blood pressure is monitored closely in the days and weeks that follow, since postpartum preeclampsia and related complications can develop even in women who had no blood pressure issues during pregnancy itself.
If you notice the symptoms described above returning or newly appearing in the days or weeks after delivery, including right-upper-quadrant pain, headache that will not lift, or visual changes, treat this with the same urgency as you would have during pregnancy. Our guide on postpartum warning signs covers this window in more detail.
Recurrence Risk in a Future Pregnancy
This is a question I am asked often by women who have been through HELLP once and are thinking about a next pregnancy, and for most of them the answer is more reassuring than they expect.
A large population-based cohort study following women in Norway through their first and second pregnancies found that having HELLP syndrome in a first pregnancy substantially raises the relative risk of it happening again, but the absolute risk of recurrence itself remains a minority outcome; most women who have had HELLP go on to have a subsequent pregnancy without it recurring (Malmström O, Morken NH, Acta Obstetricia et Gynecologica Scandinavica, 2018, PMID 29430625). The same study found that the earlier HELLP developed in the first pregnancy, particularly before 29 weeks, the higher the relative recurrence risk in the next one, which is one reason gestational age at first diagnosis is a detail your doctor will ask about carefully when planning future pregnancy care.
What this means practically: if you have had HELLP before, a future pregnancy is not something to approach with dread, but it is one that benefits from being planned with your obstetrician from the earliest weeks, with closer monitoring, low-dose aspirin from early pregnancy where indicated, and a clear plan for what symptoms to watch for and when to come in. This is the same collaborative approach we use with any woman who has a history that changes her risk profile: closer attention, not less confidence in the outcome.
Practical Takeaways
- Know the specific symptom combination. Pain under the right ribs, a headache that will not respond to paracetamol, new or worsening nausea and vomiting, and visual changes together are the pattern to take seriously, not any one of these alone in isolation.
- Do not wait for high blood pressure to validate the symptoms. HELLP can develop with blood pressure that looks reassuringly normal.
- If symptoms are active, go in the same day. This is not a condition where a wait-and-see approach at home is the safer choice.
- Understand that delivery is the treatment, and that the timing decision is a careful balance your medical team makes based on how you and your baby are doing, not an arbitrary rule.
- If you have had HELLP before, mention it at your very first antenatal visit in any future pregnancy, so monitoring can be planned from the start rather than reactively.
The Fertilia Pregnancy Guide covers the full roadmap of antenatal monitoring across every trimester if you want the complete picture alongside this. Our guide on high-risk pregnancy care also explains how care changes, practically, once a pregnancy is flagged for closer watching.
HELLP syndrome moves quickly, and that is exactly why knowing the symptoms in advance matters more than it does for most pregnancy complications. If you are pregnant now and want to talk through your personal risk factors, or if something you are feeling today matches what is described above, message Dr. Suganya Venkat on WhatsApp and we will work out the right next step together, over a video consultation if that is what is needed, or straight to your nearest hospital if your symptoms are active now.
Frequently Asked Questions
What does HELLP syndrome stand for? HELLP stands for Haemolysis (breakdown of red blood cells), Elevated Liver enzymes, and Low Platelets. It is a severe pregnancy complication, usually but not always linked to preeclampsia, confirmed through blood tests rather than symptoms alone.
Can HELLP syndrome happen without high blood pressure? Yes. While HELLP often occurs alongside preeclampsia’s characteristic high blood pressure and proteinuria, some women develop HELLP with blood pressure that is only mildly raised or even within the normal range. This is exactly why the symptom pattern, particularly right-upper-abdominal pain and a headache that will not lift, matters independently of what the blood pressure cuff shows.
How common is HELLP syndrome in pregnancy? HELLP occurs in an estimated 0.5 to 0.9% of all pregnancies, but in 10 to 20% of pregnancies with severe preeclampsia (Haram K et al., PMID 19245695). It is uncommon overall, though it is one of the more serious pregnancy complications when it does occur.
What is the first symptom of HELLP syndrome most women notice? Pain under the right ribs or in the upper abdomen is the most distinctive early symptom, caused by swelling of the liver capsule. It is frequently mistaken for indigestion or heartburn, so the detail that distinguishes it is that it does not settle with antacids and tends to be more persistent than typical pregnancy discomfort.
Is delivery always immediate once HELLP is diagnosed? Not always, but usually soon. After 34 weeks, or if either mother or baby is unstable at any stage, delivery is generally recommended without delay. Before 34 weeks, if both are stable, a short period of monitoring (typically under 48 hours) may allow time for steroid injections to help the baby’s lungs mature, but this window is abandoned immediately if the situation changes.
Will HELLP syndrome happen again in my next pregnancy? Most women who have had HELLP syndrome do not have it recur in a subsequent pregnancy, though the relative risk of recurrence is higher than in women who have never had it, particularly if the first episode occurred very early in pregnancy (Malmström & Morken, PMID 29430625). Planning your next pregnancy with your obstetrician from the start, with closer monitoring, is the right approach rather than avoiding pregnancy out of worry.
How long does it take to recover after HELLP syndrome? Liver enzymes and the haemolysis process typically begin improving within 24 to 48 hours after delivery. Platelet counts can take a little longer, sometimes up to a week, to normalise fully. Magnesium sulphate is usually continued for 24 hours after birth as a seizure-prevention measure, and blood pressure continues to be monitored closely in the weeks that follow since postpartum complications can still develop.
