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Premature Delivery in Multiple Pregnancy

Delivery before the 37th week is called a premature, or preterm, delivery. A premature delivery can cause problems for the infants if their organs are not fully developed. Infants delivered before 32 weeks have greater health risks than those who are delivered at 32 weeks of gestation or later.

Multiple pregnancies seldom reach the usual 40-week due date:1

  • For twins, the average time to delivery is 36 to 37 weeks.
  • For triplets, the average time is 33 weeks.
  • For quadruplets, the average time is 31 weeks.

After delivery, most premature babies need care in a hospital unit called the neonatal intensive care unit (NICU). Care in the NICU can last days or weeks, depending on a baby's condition and the amount of specialized care the baby needs.

For more information, see the topics Preterm Labor and Premature Infant.

Citations

  1. Bush MC, Pernoll ML (2007). Multiple pregnancy. In AH DeCherney et al., eds., Current Diagnosis and Treatment Obstetrics and Gynecology, 10th ed., pp. 301-310. New York: McGraw-Hill.

By Healthwise Staff
Primary Medical Reviewer Sarah Marshall, MD - Family Medicine
Specialist Medical Reviewer William Gilbert, MD - Maternal and Fetal Medicine
Last Revised July 8, 2011

WebMD Medical Reference from Healthwise

Last Updated: July 08, 2011
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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