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The IVF Fertility Blog

IVF, One Or Two Embryos?

Determining how many embryos to transfer is one of the biggest decisions a couple has to make. Many people believe that transferring multiple embryos an increase the chance of pregnancy and the family they’ve been working toward.  Understanding the facts about transferring multiple embryos can make the decision of how many to transfer less difficult.

Single Embryo Transfer

Single embryo transfer is the process of transferring one embryo during an IVF cycle.  Any surplus embryos are frozen for use during a future cycle.  Research has shown that transferring multiple embryos does not increase the chance of pregnancy.  However, single embryo transfer significantly reduces the likelihood of a multiple pregnancy, which has serious health risks for the mother and child. 

Women who carry more than one child are more likely to require a Cesarean Section for delivery.   Additionally, babies born from multiple pregnancies are more likely to be born at a low birth rate and have a greater chance of being born premature.


Recommendations For Embryo Transfer

Guidelines for the number of embryos to transfer were developed through a partnership between the American Society for Reproductive Medicine and the Society for Assisted Reproductive Technology.  The guidelines they developed indicate single embryo transfer should be employed when women meet the following criteria:

  • Are age 35 or younger
  • Have high quality eggs and embryos
  • Have a favorable prognosis

These guidelines were intended to be used as a guide for physicians providing fertility treatment.  A physician’s recommendation may be different based on a woman’s medical history and the quality of her eggs and embryos.

When To Discuss

Couples should discuss their options for the number of embryos to transfer early in the cycle both with each other and their fertility care team.  This way, the couple can reach a mutual, fully informed decision without the pressure of needing an immediate response.

For additional information on determining the right number of embryos to transfer, contact New Hope Fertility Center today.  New Hope is a highly reviewed fertility center in NYC that specializes in providing more holistic IVF protocols by building upon a woman’s natural fertility.  Please click the link below to enter your information and New Hope will contact you, or simply call 212-517-7676. Thank You.

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