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8 facts about preeclampsia: Know the risks of high blood pressure in pregnancy

Preeclampsia risks in pregnancy: Symptoms, complications, and effective prevention strategies to ensure the health of both mother and baby.
Published On: 24 May 2026, 09:02 am IST
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preeclampsia
What are the risks of preeclampsia in pregnancy? Image courtesy: Adobe Stock

High blood pressure during pregnancy is often considered a common problem. But preeclampsia is much more serious than just “high BP in pregnancy.” Left untreated, preeclampsia can lead to serious, even fatal, complications for both the mother and baby. The worrying part is that many important facts about it remain widely unknown.

Is preeclampsia preventable in pregnancy?

Preeclampsia is not always preventable. But regular antenatal checkups, early diagnosis, and timely treatment can save both mother and baby. The biggest myth about it is that preeclampsia happens only in the first pregnancy. Many women also assume that if the first pregnancy was normal, the next one will be safe too. But that is not guaranteed. Doctors say the risk can increase even in a second pregnancy.

How does preeclampsia affect the placenta?

Preeclampsia is deeply linked to the placenta and the mother’s immune response. It can appear for the first time in a second or third pregnancy as well. The risk becomes higher if there is a long gap between pregnancies and/or the father is someone else. Weight gain, diabetes, high BP, increasing age, or twin pregnancy can also raise the chances.

Is preeclampsia life-threatening?

One of the most frightening things about preeclampsia is how fast it can progress. A woman may feel fine in the morning and become critically ill by evening. In severe cases, seizures may even develop. You may have no noticeable symptoms. The first signs of preeclampsia are often detected during routine prenatal visits with a health care provider. Symptoms should never be ignored.

Along with high blood pressure, preeclampsia signs and symptoms may include:

A woman holding her baby bump
Women over the age of 35 are more prone to developing preeclampsia and eclampsia. Image courtesy: Adobe Stock
  • Excess protein in urine (proteinuria) or other signs of kidney problems
  • Decreased levels of platelets in blood (thrombocytopenia)
  • Increased liver enzymes that indicate liver problems
  • Severe headaches
  • Changes in vision, i.e. loss of vision, blurred vision or light sensitivity
  • Shortness of breath
  • Pain in the upper belly, under the ribs, on the right side
  • Nausea or vomiting

Weight gain and swelling (oedema) are typical during healthy pregnancies. However, sudden weight gain or a sudden appearance of oedema, particularly in the face and hands, may be a sign of preeclampsia.

What happens if I have preeclampsia at 20 weeks pregnant?

Usually, preeclampsia develops after 20 weeks of pregnancy. If it appears very early, doctors look for certain serious conditions. These include molar pregnancy and APLA syndrome. APLA syndrome is a blood-clotting disorder. In this condition, clots can form in the placental blood vessels. Women with repeated miscarriages, severe pregnancy-related BP problems, poor baby growth, or repeated pregnancy complications may sometimes have this hidden condition. Early diagnosis can completely change treatment and improve pregnancy outcomes.

Can I get preeclampsia at 11 weeks?

Today, medical science can often identify high-risk women much earlier. Screening is usually done between 11 and 14 weeks of pregnancy. BP measurements, Doppler ultrasound scans, blood tests such as PLGF and PAPP-A, and the mother’s medical history can help. Early prediction helps plan better prevention and monitoring. To reduce the risk, many women are advised to take low-dose aspirin, commonly known as Ecosprin. It helps improve blood flow to the placenta. It may also reduce the risk of severe preeclampsia and poor baby growth.

What is the best treatment to prevent preeclampsia?

When it comes to treatment, magnesium sulfate injection is considered one of the most important life-saving medicines in obstetrics. Many people think it is given only to reduce blood pressure. But its main role is different. It helps prevent seizures. It protects the brain. Most importantly, it prevents eclampsia in the mother. In some high-risk pregnancies, doctors may also recommend arginine supplements. It helps relax blood vessels. It may support better blood flow and placental function in selected cases.

Disclaimer: At Health Shots, we are committed to providing accurate, reliable, and authentic information to support your health and well-being. However, the content on this website is intended solely for informational purposes and should not be considered a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for personalised advice regarding your specific medical condition or concerns.

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About The Author
Dr Preety Aggarwal
Dr Preety Aggarwal

Dr Preety Aggarwal is one of the best maternity doctors in Gurgaon, known for her commitment to providing exceptional care in gynaecology, obstetrics, infertility and advanced laparoscopic surgery. With over 35 years of clinical experience, she has successfully managed both low-risk and high-risk pregnancies with outstanding results. Patients and families trust her for her compassionate approach, evidence-based medical practice, and dedication to women’s health. Currently serving as the Medical Director of Obstetrics and Gynaecology at Motherhood Hospital, Gurgaon, Dr Preety Aggarwal has played a pivotal role in advancing maternity and women’s healthcare services in the region. She is widely recognised as the best female doctor in Gurgaon, offering personalised care tailored to every stage of a woman’s reproductive journey. Alongside her expertise in maternity and pregnancy care, she is also regarded as one of the best laparoscopic surgeons in Gurgaon, proficient in advanced minimally invasive procedures such as laparoscopic hysterectomy, ovarian cystectomy, and endometriosis management. Her outstanding surgical skills and patient-centric care have helped countless women receive safe, effective treatment.

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