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Twins, Triplets, Multiple Births

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Summary

If you are pregnant with more than one baby, you are far from alone. Multiple births are up in the United States. More women are having babies after age 30 and more are taking fertility drugs. Both boost the chance of carrying more than one baby. A family history of twins also makes multiples more likely.

Years ago, most twins came as a surprise. Now, most women know about a multiple pregnancy early. Women with multiple pregnancies should see their health care providers more often than women who are expecting one baby. Multiple pregnancy babies have a much higher risk of being born prematurely and having a low birth weight. There is also more of a risk of disabilities. Some women have to go on bed rest to delay labor. Finally, they may deliver by C-section, especially if there are three babies or more.

Parenting multiples can be a challenge. Volunteer help and support groups for parents of multiples can help.

Dept. of Health and Human Services Office on Women's Health

Start Here

Being Pregnant with Twins, Triplets, and Other Multiples (March of Dimes Foundation) Also in Spanish
Challenges of Parenting Multiples (American Society for Reproductive Medicine)
Multiple Pregnancy (American College of Obstetricians and Gynecologists)
Preparing for Multiple Births (Nemours Foundation) Also in Spanish
Twins: Two Distinct Individuals (American Academy of Pediatrics) Also in Spanish

Diagnosis and Tests

Obstetric Ultrasound (American College of Radiology; Radiological Society of North America) Also in Spanish
Prenatal Testing: MedlinePlus Health Topic (National Library of Medicine) Also in Spanish

Related Issues

Difference Between Identical and Fraternal Twins (American Academy of Pediatrics) Also in Spanish
Fertility Drugs and the Risk of Multiple Births (American Society for Reproductive Medicine)

Specifics

Having Twins? How to Stay Healthy (American Academy of Pediatrics) Also in Spanish
Multiple Pregnancy and Multiple Births: Understanding the Risks for Mothers and Babies (American Society for Reproductive Medicine)

Videos and Tutorials

Twin-to-twin transfusion syndrome (Medical Encyclopedia) Also in Spanish

Clinical Trials

ClinicalTrials.gov: Pregnancy, Multiple (National Institutes of Health)
ClinicalTrials.gov: Twins (National Institutes of Health)

Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)

Find an Expert

Eunice Kennedy Shriver National Institute of Child Health and Human Development Also in Spanish
Find a Pediatrician or Pediatric Specialist (American Academy of Pediatrics) Also in Spanish
How to Find an Ob-Gyn (American College of Obstetricians and Gynecologists)
KidsHealth (Nemours Foundation)

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