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Symptoms and Diagnosis of Multiple Pregnancy

What are the symptoms of multiple pregnancy?

The following are the most common symptoms of multiple pregnancy. However, each woman may experience symptoms differently. Symptoms of multiple pregnancy may include:

  • Uterus is larger than expected for the dates in pregnancy

  • Increased morning sickness

  • Increased appetite

  • Excessive weight gain, especially in early pregnancy

  • Fetal movements felt in different parts of abdomen at same time

How is multiple pregnancy diagnosed?

Many women suspect they are pregnant with more than one baby. Diagnosis of multiple fetuses may be made early in pregnancy, especially if fertility treatments were used. In addition to a complete medical history and physical examination, diagnosis may be made by:

  • Pregnancy blood testing. Levels of human chorionic gonadotrophin (hCG) may be quite high with multiple pregnancy.

  • Alpha-fetoprotein. Levels of a protein released by the fetal liver and found in the mother's blood may be high when more than one fetus is making the protein.

Illustration of a transabdominal ultrasound procedure

  • Ultrasound. A diagnostic imaging technique that uses high-frequency sound waves to create images of blood vessels, tissues, and organs. Ultrasounds can be done with a vaginal transducer, especially in early pregnancy, or with an abdominal transducer in later pregnancy.

Symptoms and Diagnosis of Multiple Pregnancy - WellSpan Health

Online Medical Reviewer: Dozier, Tennille, RN, BSN, RDMS
Online Medical Reviewer: newMentor board-certified, academically affiliated clinician
© 2014 WellSpan Health. All Rights Reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.

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