Pregnancy, birth and baby

Investigating the leading causes of abdominal pain in pregnancy

Although it is normal to feel pain in the abdomen or back during pregnancy, it can sometimes be a sign of a severe complication that endangers the mother and fetus’s health.

Abdominal pain in pregnancy

Causes of abdominal pain during pregnancy

  • Ectopic pregnancy
  • Abortion
  • Round ligament pain
  • Give birth to
  • Placental contraction
  • Preeclampsia
  • Urinary tract infection during pregnancy
  • Abdominal pain in pregnancy


What is abdominal pain in pregnancy?

Due to physiological and hormonal changes in the body during pregnancy, women usually experience abdominal and pelvic pain with varying severity. Although most abdominal pain causes during pregnancy are harmless, some are expected to be a sign of a more severe problem.

In addition to pregnancy-related problems, such as ectopic pregnancy, miscarriage, or problems in the uterus or placenta, pregnant women can also have any abdominal disease that is common in the general population, such as appendicitis, cholecystitis, pancreatitis, urinary tract infections, disease It has digestion and so on.

Therefore, if you are pregnant, it is essential to be aware of the most common causes of abdominal pain during pregnancy so that you can identify symptoms that may indicate potentially serious problems.


Pregnancy-related abdominal pain

Parts of abdominal or pelvic pain usually begin in the first few months and may continue until the end of pregnancy. Normal abdominal pain is usually intermittent, but in some cases, can occur regularly in the first 9 months of pregnancy. The causes of abdominal pain, as well as its characteristics, change during pregnancy.


Some of the main reasons are:

Hormonal changes, changes in the abdomen and pelvis’s anatomy, uterine growth, uterine contractions, fetal growth, and fluid ligament disorders. There are also labor pains that are not considered normal, and this discomfort is due to pregnancy complications.

This type of pain, which may indicate a more serious problem, should be diagnosed early so that a pregnant woman can take care of labor quickly and minimize the risk of complications. Here are the leading causes of abdominal pain during pregnancy, considering the three months of pregnancy.


Significant causes of abdominal pain in the first trimester of pregnancy

The onset of pregnancy and the first trimester of pregnancy, as expected, cause changes in the body, some of which are abdominal pain due to hormonal changes and other changes in the mother’s body, which include two categories of normal and normal pain and conscious pain. They are donors and serious, which we have discussed below.

Abdominal pain in pregnancy

  1. Common pregnancy pains in the first trimester of pregnancy

In the first months of pregnancy, abdominal pain is usually caused by hormonal changes caused by normal bowel function. Excessive gas, bloating, and constipation are some of the problems that cause abdominal cramps in the first trimester of pregnancy.

In general, these muscle cramps are mild and transient and have no other related symptoms. Therefore, any abdominal pain that is severe and persistent, or has other symptoms such as vaginal bleeding, high fever, high fever, nausea or vomiting, should be evaluated by a gynecologist. Nausea and vomiting are common in the first trimester of pregnancy but are not usually accompanied by abdominal pain, fever, or diarrhea.


  1. Serious and worrying pain in the first trimester of pregnancy

In the first trimester of pregnancy, there are two worrying causes of abdominal pain caused by pregnancy complications:


  • Unwanted pregnancy and abortion.
  • Ectopic pregnancy


If an ectopic pregnancy occurs, for example, inside the fallopian tubes, it is called an ectopic pregnancy. Apart from the uterus, no other structure in our body is ready for fetal growth. So when the fetus grows outside the uterus, serious problems arise.


Symptoms of an ectopic pregnancy usually appear in the sixth week of pregnancy. The most common of these are:


  • Moderate to severe pain, usually in the lower abdomen
  • Increase the strength of the abdominal wall.
  • Severe bleeding.
  • Fecal excretion.
  • A lump in the groin area
  • nausea and vomiting.


This diagnosis is usually made with ultrasound, showing that the fetus is not in the womb.



Abortion is any natural termination of pregnancy that occurs before the 20th week of pregnancy. Pregnancies that end after the 20th week but are premature are called preterm births. Abortion is one of the leading causes of abdominal pain in the first trimester of pregnancy. Most miscarriages occur in the first 13 weeks of pregnancy.


Signs and symptoms of miscarriage include:


  • Moderate to severe abdominal contraction.
  • Pain in the back of the leg or pelvis.
  • Mild to moderate vaginal bleeding.
  • White and pink mucus.
  • Ejecting clotted tissue from the vagina
  • Uterine contractions.


Common complications of abdominal pain in the second and third trimesters of pregnancy

In the second trimester, the condition becomes slightly more severe than in the early months of pregnancy, and pain develops. We also have two categories of abdominal pain during this period, some of which are expected, worrying, and warning.


  1. Common pains of pregnancy in the second and third trimesters

By the twelfth week of pregnancy, the uterus has grown enough to become an organ inside the abdomen. So, in addition to all the causes of normal abdominal pain in the first trimester, a pregnant woman now feels the pain and discomfort of squeezing the abdominal organs in the uterus, along with the gradual weight gain that the pelvis must support.

Among the harmless causes of abdominal pain that begin in the second trimester of pregnancy, two are prominent:

Braxton Hicks contractions

Non-coagulation uterine contractions usually begin in the second trimester of pregnancy (in some women at the end of the first trimester). They are known as “uterine contractions” for the uterus. These contractions are harmless and cause more discomfort than pain.


  1. Worrying and severe pain in the second and third trimesters of pregnancy

As the pregnancy progresses, the possible complications of pregnancy increase, especially after the twentieth week. Let us briefly discuss some of these problems that are commonly associated with abdominal pain. The conditions described below are also valid for the third trimester of pregnancy.


Preterm delivery:

Any delivery after the thirty-seventh week of pregnancy is considered premature delivery. On the other hand, the earlier the delivery, the longer it takes for intrauterine growth, thus increasing the baby’s risk of complications. With abortion, the power of preterm labor, along with abdominal pain, becomes apparent.

Abdominal pain in pregnancy

The most common symptoms are:

  • Frequent and rhythmic contractions of the uterus that intensify over time.
  • Mild vaginal bleeding.
  • Water bag rupture.
  • Less abdominal pressure
  • Persistent low back pain

A pregnant woman should give birth immediately with the right doctor without the slightest sign of labor. The doctor tests the obstetrician to see if the uterus intends to expel the fetus.


Neonatal placental contraction:

Placental contraction occurs when the placenta separates entirely or partially from the uterine wall before or after delivery. This is a severe problem because it prevents blood from mating through the uterine cycle and endangers the fetus’s life. Placental abruption is more common in the third trimester of pregnancy but may also occur after 20 weeks of pregnancy.


The most common signs of placental contraction are:

  • Severe bleeding, which may be high or low.
  • Severe pain and back pain.
  • Vaginal contraction.
  • In some cases, severe bleeding.



Preeclampsia is a syndrome characterized by high blood pressure and a large amount of protein in the urine after 20 weeks of pregnancy. In severe cases, the liver may be damaged.


The most common symptoms are:

Abdominal pain, swelling of the face and hands, headache, blurred vision, nausea, and vomiting. When a patient has preeclampsia with epilepsy, it is called preeclampsia.


Causes of non-pregnancy abdominal pain

Like any other person, a pregnant woman may have abdominal problems that are not specific to her pregnancy, such as appendicitis, cholecystitis, intestinal inflammation, or kidney stones. These problems are usually difficult to diagnose during pregnancy due to multiple changes in the abdomen. Even the location of the pain may be unusual.


Urinary tract infection during pregnancy

Cystitis (bladder infection) is a common problem during pregnancy and can occur at any time during pregnancy. The most common symptoms are:

  • Urinate
  • Frequent urination.
  • urinary incontinence
  • Urgent urination, even when the bladder is empty.
  • Blood in the urine


See your doctor if your pain does not improve after a few minutes of rest or if you have any of the following:


  • Bloodstains or vaginal stains
  • Unusual vaginal discharge
  • Fever or chills
  • Vertigo
  • Pain or discomfort when urinating
  • nausea and vomiting
  • Bladder infection in pregnancy


When are abdominal pain and cramping not normal in pregnancy?

Cramping and abdominal pain during pregnancy with severe pain, stubbornness, or other symptoms such as nausea, vomiting, vaginal bleeding, headache, or fever. Muscle cramps and vaginal bleeding during pregnancy can be signs of an ectopic pregnancy or miscarriage.

It is also not normal to have pain in the upper abdomen. If your stomach is susceptible to touch, mainly when pressure is applied, a severe abdominal infection can be blamed.

Other causes and factors that cause heartburn during pregnancy

All severe abdominal pain during pregnancy is a sign of a severe problem, but natural changes in the body


Cause some heartburn. Significant causes of mild abdominal pain:


Flatulence during pregnancy slows down digestion and increases uterine pressure to have pain in your stomach and intestines.


Eclipse during orgasm:

You may have some abdominal pain after orgasm. As long as the pain is mild and short, it is perfectly normal, and there is no room for fear.


But if you have these problems, call your doctor:

Contractions are associated with less back pain.

You feel more than six contractions per hour.

Uterine contractions occur at regular intervals.

You will also have vaginal discharge or vaginal bleeding.

You have other symptoms of preterm birth.



Pregnancy hormones that reduce digestion and increase uterine and anal pressure can also lead to constipation.


Urinary tract infections:

Pregnancy predisposes you to urinary tract infections, including kidney infections. If you think you may have a bladder infection, it is essential to contact your doctor to lead to a kidney infection, leading to severe illness and premature birth.


Symptoms of a bladder infection:

  • Pain, discomfort, or burning when urinating
  • Less pelvic or abdominal pain
  • The urgency of urination even if there is a small amount of urine in the bladder
  • Cloudy urine, lousy smell, or blood


Seek medical attention immediately if you have any of the following signs that an infection may have spread to your kidneys:


  • High fever, often with chills or sweating
  • Pain in the back, abdomen, or sides, just below the ribs
  • nausea and vomiting
  • Pus or blood in the urine
  • Abdominal pain in pregnancy


Several other causes of abdominal pain during pregnancy

Many different conditions can cause abdominal pain, whether or not you are pregnant. Some of the most important causes of abdominal pain during pregnancy are:


  • Abdominal virus
  • food poisoning
  • Appendix
  • All kidney stones
  • hepatitis
  • Gallbladder disease
  • Pancreatitis
  • Fibroma

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