Lower Abdominal Pain During Pregnancy: When to Worry?

October 30, 2025

Do you have lower abdominal pain and want to know if you should be concerned?

This situation, especially during pregnancy, can cause significant worry.

In this article, we’ll explore what lower abdominal pain during pregnancy means, how long pain in the lower abdomen can last, what to do when you experience these pains, and how to determine if it’s a threatened miscarriage or placental abruption.

Let’s begin!

Key Points in Brief

Lower abdominal pain during pregnancy, especially in the early weeks, is often normal and may be related to embryo implantation or uterine growth.

However, it’s important to monitor the pain and consult your doctor if it occurs with other symptoms or if it’s intense and persistent.

Common causes of lower abdominal pain during pregnancy:

  • Embryo implantation: in the early weeks, pain may be similar to menstrual cramps and is caused by the embryo nesting in the uterus
  • Uterine growth: the uterus expands to accommodate the baby, causing stretching of ligaments and surrounding tissues
  • Braxton Hicks contractions: these “practice” contractions prepare the uterus for labor and may be felt as lower abdominal pain, especially in the second and third trimesters
  • Intestinal issues: bloating and constipation are common during pregnancy and can cause abdominal pain
  • Urinary tract infections: cystitis or pyelonephritis can cause pain and discomfort in the lower abdomen
  • Placental abruption: this is an obstetric emergency requiring immediate medical intervention
  • Miscarriage: in some cases, pain may be a symptom of miscarriage

What to Do

  • Rest: staying at rest can help alleviate pain
  • Hydration: drinking plenty of water can prevent or relieve pain due to constipation
  • Comfortable positions: trying different positions, such as the knee-chest position, can provide relief
  • Consult your doctor: if the pain is intense, persistent, accompanied by fever, abnormal vaginal discharge, or other symptoms, it’s essential to consult your doctor immediately

When to Worry

  • Intense and sudden pain: could be a sign of placental abruption or other complications
  • Pain accompanied by fever: could be a sign of infection
  • Pain with vaginal discharge: could be a sign of miscarriage or other complications
  • Pain that interferes with daily activities: if the pain prevents you from performing normal activities, it’s advisable to consult your doctor

What Does Lower Abdominal Pain During Pregnancy Mean?

Let’s start by saying that the type of pain you might feel depends on the stage of pregnancy you’re experiencing.

In the first trimester, there are lower abdominal pains associated with embryo implantation that often come with light spotting. These pains are similar to menstrual cramps, very localized and specific.

Another type of pain can occur during the growth phase of the belly. During this period, organs must shift and reposition themselves, as well as make room for a new organ, the placenta.

These transformations are often accompanied by sharp uterine twinges and cause discomfort and widespread pain.

What Abdominal Pains During Pregnancy?

Abdominal pain is quite common during pregnancy, for fairly obvious reasons.

Let’s look at some of the most common abdominal pains during this period, along with specific symptoms and associated conditions:

  • Cramping: uterine contractions similar to menstrual ones, sometimes accompanied by lower back pain
  • Sharp or stabbing pain: intense pain, localized in a specific area of the abdomen
  • Dull or constant pain: less intense but more persistent
  • Pain in the lower abdomen, may be localized in the ovary or pubic area
  • Pain localized in the upper abdomen, in the pit of the stomach area
  • Pain during urination
  • Pain during bowel movements
  • Pain around the navel

These are some typical manifestations, and each has different causes and potential treatments.

Remember that every woman and every pregnancy is unique, so you should always consult your gynecologist if you experience pain, to receive proper evaluation and treatment.

Very Low Abdominal Pain: Is It a Threatened Miscarriage?

To consider a threatened miscarriage, there must be many other symptoms along with the pain.

Generally, these symptoms include fairly persistent and heavy bleeding, widespread pain also in the lower back area.

If you have even the slightest doubt, contact your gynecologist who will tell you what to do.

lower abdominal pain

When to Worry About Abdominal Pain During Pregnancy?

If the pains you feel are not persistent, then your situation is fairly normal.

However, if these pains occur completely unexpectedly, are particularly intense and persistent, or are accompanied by other symptoms, contact your gynecologist immediately or go to a healthcare facility.

Symptoms you should be particularly careful about when you have very low abdominal pain during pregnancy include:

  • Bleeding (could be a sign of miscarriage)
  • Concurrent shoulder pain
  • Pain during urination and bowel movements (could be signs of ectopic pregnancy)
  • Concurrent swelling of face, hands, and feet
  • Persistent headache

Sharp Uterine Twinges in Early Pregnancy (First Trimester)

These symptoms are often caused by rapid expansion of the uterus and the body’s adaptations to pregnancy.

In particular, pain may be associated with increased blood flow and expansion of ligaments and uterine muscles to accommodate the growing embryo.

However, while mild cramping may be normal, it’s important to monitor the intensity and frequency of these symptoms.

Very strong or persistent twinges, especially if accompanied by bleeding, should be immediately reported to a doctor, as they could indicate more serious conditions such as ectopic pregnancies or miscarriages.

We’ll never tire of repeating it. As they say in English, “better safe than sorry.”

Sharp Uterine Twinges in Late Pregnancy (Third Trimester)

In the third trimester of pregnancy, sharp uterine twinges can continue to be a common experience for many women, often intensifying due to the greater weight and size of the fetus.

These pains are frequently caused by the baby’s movements, further expansion of the uterus, and changes in pelvic ligaments in preparation for childbirth.

Additionally, “false contractions” or Braxton Hicks contractions may occur during this period, which are irregular and can cause sensations of uterine twinges.

How Long Does Lower Abdominal Pain Last During Pregnancy?

Pain during pregnancy, as we mentioned, is usually transitory: if it’s persistent, you need to understand what other symptoms it’s associated with.

There are conditions that require particular attention: one of these is preeclampsia, which involves an excessive increase in blood pressure.

If you experience particular pain well in advance of your due date (if you want to calculate your pregnancy week, you can do so here), remember that your reference point is always your doctor or gynecologist.

An article, no matter how well written, can never precisely address your situation, which a doctor can do.

What to Do in Case of Lower Abdominal Pain?

In most cases, as you’ll have understood, it’s completely normal and not worrying.

Also remember that during pregnancy, almost no medication is allowed – except in some cases paracetamol – so you’ll also have to get used to tolerating some pain and ask your doctor when you can actually use acetaminophen.

You’ll train your patience and learn to know your changing body that’s sending you signals of growth and transformation, and at the same time, you’ll learn to know that new life inside you.

Daily minor aches will be there and are part of the journey. If the situation becomes concerning or unbearable, or if the concurrent symptoms we discussed earlier appear, always contact your gynecologist or go to the hospital.

How to Tell If You Have Placental Abruption?

Placental abruption is a serious condition in which the placenta detaches from the uterine wall before delivery.

Signs to monitor include vaginal bleeding, which can range from mild to severe, abdominal pain or cramping, and reduced fetal movement.

Bleeding may be accompanied by blood clots, and pain may be continuous or intermittent, often described as a dull ache.

In some cases, however, abruption can occur without obvious bleeding, especially if blood remains trapped behind the placenta.

If you suspect you have placental abruption, it’s crucial to seek medical attention immediately.

Healthcare professionals will perform a physical examination and may use additional diagnostic tools, such as ultrasound, to assess the placenta’s condition and the baby’s health.

Treatments will depend on the severity of the abruption, the position of the placenta, the stage of pregnancy, and the overall well-being of mother and fetus.

In less serious situations, bed rest and close monitoring may be recommended, while in more serious cases, early delivery may be necessary, often via cesarean section, to ensure the safety of both mother and baby.

We’re With You

We at Parentalife are here to give you the best possible information and ensure you always feel prepared and comfortable in facing the journey of pregnancy and parenthood.

To do this, we offer guides and courses, personalized consultations to resolve your current concerns.

SOURCES

1. Dhamecha R, Pajai S, Bhasin T. Acute Abdomen in Pregnancy: A Comprehensive Review of Diagnosis and Management. Cureus. 2023 Jun 20;15(6):e40679. doi: 10.7759/cureus.40679. PMID: 37485109; PMCID: PMC10357893.
2. Zachariah SK, Fenn M, Jacob K, Arthungal SA, Zachariah SA. Management of acute abdomen in pregnancy: current perspectives. Int J Womens Health. 2019 Feb 8;11:119-134. doi: 10.2147/IJWH.S151501. PMID: 30804686; PMCID: PMC6371947.

About the Author

Severino Cirillo

Health, Wellness and Education Expert. With a degree in Community Health, he is the CEO of Informed Parent and is responsible for validating the blog's scientific information and coordinating the editorial team of experts, consisting of gynecologists, midwives, psychotherapists, and others in pregnancy, perinatal, and parenting wellness and health.