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Multiple Pregnancy: Twins or More - Symptoms

If you are pregnant with more than one fetus, you can expect to have the same symptoms as those of a pregnancy with one fetus (called a singleton pregnancy). But the symptoms may happen earlier and may be worse. A multiple pregnancy is likely to cause:

  • Early and excessive nausea and vomiting in the first trimester.
  • Extra weight gain.
  • Backache.
  • A uterus that is larger than expected for your due date.
  • More fetal movement than expected during the second trimester and later.
actionset.gif Pregnancy: Dealing With Morning Sickness

Later in the pregnancy, you are more likely to have:

  • Varicose veins.
  • Constipation.
  • Hemorrhoids.
  • Increasing backache.
  • Trouble breathing (caused by pressure on the lungs from the uterus pushing up on the diaphragm).
  • Indigestion (caused by pressure on the stomach from the large uterus).
  • A very large belly
  • Gestational diabetes.
  • Preeclampsia, a serious disorder of circulation and blood pressure that affects both mother and fetuses.
  • Preterm labor.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: August 05, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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