Causes of Dizziness in Pregnancy

You may experience a disorienting sensation of unsteadiness, or vertigo, during your pregnancy, which may make you feel like you’re going to collapse or faint. But don’t worry, it’s a normal and fairly common pregnancy symptom that you can avoid by taking a few smart steps, for the most part. There are many sources of dizziness, including hormone swings, starvation, and heart or blood vessel issues. Following are some causes of dizziness in pregnancy:

Lowering Blood Pressure and Changing Hormones

Your hormone levels change as soon as you get pregnant, to help increase your body’s blood supply. In utero, this lets the baby thrive. Increased blood volume can induce a difference in the blood pressure. Sometimes, during breastfeeding, the blood pressure will decrease, also known as hypotension or low blood pressure. Low blood pressure, especially when going from lying down or sitting to standing, may cause you to feel dizzy. In order to monitor your blood pressure, your doctor will review your blood pressure at your prenatal appointments. Lower blood pressure is usually not a cause for worry and following breastfeeding it can rise to normal levels.

Relaxed Blood Vessels

The body releases hormones during birth, including one called relaxin, which allows blood vessels to dilate. The blood supply to the developing baby is increased by this dilation. The spike in blood pressure, however, often delays the return of blood to the head of the woman, and this can induce dizziness during exertion or even when rapidly standing up.

Ectopic Pregnancy

Ectopic pregnancy is one of the major causes of dizziness in pregnancy. This happens because, beyond the uterus, a fertilized egg inserts itself in the reproductive system. It gets inserted in the fallopian tubes many times. Pregnancy is not viable when this situation happens. As well as pain in your abdomen and vaginal bleeding, you can feel dizziness.

Ectopic Pregnancy

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Morning Sickness

Nausea, fatigue, headaches, or a mixture of these effects appear to be included with morning sickness, but some women become dizzy too. During different hours of the day, it can influence women as well. In certain situations, when a woman is starving or exhausted, morning sickness gets worse. During the first trimester, signs typically get more frequent rapidly and resolve towards the end of the first or second trimester. Women who vomit frequently with severe morning sickness may have hyperemesis gravidarum. Dehydration and birth complications may be caused by this disease and it sometimes lasts for the whole pregnancy.


During birth, you can have a decreased amount of healthy red blood cells, causing anemia. This happens because the body does not have enough iron and folic acid. Anemia can cause you to feel exhausted, become pale, or feel short of breath, in addition to dizziness. At any moment during pregnancy, you can experience anemia. If you do, the doctor will take blood samples to assess your iron levels and control your health during your pregnancy. They might prescribe supplements of iron or folic acid.

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Gestational Diabetes

When your blood sugar becomes too poor, you can feel dizziness with gestational diabetes. When the hormones change the way the body produces insulin, gestational diabetes happens. Between weeks 24 and 28 of your pregnancy, your doctor would likely recommend checking for gestational diabetes. You will have to control the blood sugar daily if diagnosed with the disorder, and adhere to a strict diet and workout schedule.

Insulin Resistance

Insulin allows the body to absorb and convert glucose into energy and its resistance is also among the causes of dizziness in pregnancy. The body can’t use insulin as easily as it does at other times, including during a stable pregnancy, and this induces moderate insulin resistance. It contributes to gestational diabetes in some women. When they are starving, when their blood sugar is too high, or when diabetes treatment causes their blood sugar to decrease, certain females with gestational diabetes feel dizziness.


At any stage in your pregnancy, dehydration will occur. When you’re nauseous or sick, you may feel that in the first trimester. Later in pregnancy, you will feel dehydration because more water is needed by your body. In early pregnancy, you can consume at least 8 to 10 glasses of water a day and increase that amount as you add more calories to your diet, normally in the second and third trimesters, respectively. This can raise your daily intake of water by 300 milliliters.


There are many causes of dizziness in pregnancy. Dizziness is just one of them for many women and it is not a symptom of a severe problem. Any symptom, though, provides potentially valuable knowledge about the woman and baby’s health. Dizziness may lead to an underlying condition in some situations, but having a doctor aware of this symptom and any other health conditions that occur is important.


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