NCT03201783

Immediate Versus Delayed FET Following a Stimulated IVF Cycle

A Randomized Trial Comparing the Effect of Immediate Versus Delayed Frozen-thawed Embryo Transfer Following a Stimulated IVF Cycle

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 724 (actual)
• Sponsor: ShangHai Ji Ai Genetics & IVF Institute · Academic / Other
• Sex: Female
• Age: 20 Years – 43 Years
• Healthy volunteers: Not accepted

Summary

Information regarding the optimal timing for frozen-thawed embryo transfer (FET) following a stimulated in vitro fertilization (IVF) is lacking. One option is to perform FET in the first cycle following the stimulated IVF cycle, i.e. immediate transfer. Another option is to postpone FET for at least one menstrual cycle, i.e. delayed transfer. This randomized study aims to compare the ongoing pregnancy rate of immediate versus delayed FET following a stimulated IVF cycle.

Conditions

• Fertilization in Vitro
• Embryo Transfer

Interventions

Type	Name	Description
OTHER	immediate frozen-thawed embryo transfer	Frozen-thawed embryo transfer will be performed in the first cycle following the stimulated IVF cycle
OTHER	delayed frozen-thawed embryo transfer	Frozen-thawed embryo transfer will be performed at least in the second cycle following the stimulated IVF cycle

Timeline

• Start date: 2017-08-09
• Primary completion: 2019-03-04
• Completion: 2019-12-31
• First posted: 2017-06-28
• Last updated: 2020-05-14

Locations

1 site across 1 country: China