Can Fresh Embryo Transfers be Replaced by Cryopreserved-thawed Embryo Transfers in Assisted Reproductive Cycles?

NCT00823121 Phase 1/Phase 2 UNKNOWN

Cryopreservation of all embryos and transferring them subsequently in assisted reproductive technology (ART) cycles to improve outcome.

Details

Lead sponsor	Yazd Research & Clinical Center for Infertility
Phase	Phase 1/Phase 2
Status	UNKNOWN
Enrolment	500
Start date	2008-08
Completion	2009-12

Conditions

• In Vitro Fertilization

Interventions

• freezing embryos by vitrification
• fresh embryo transfers
• buserelin
• recombinant FSH
• human chorionic gonadotropin (pregnyl)

Primary outcomes

• implantation rate — 4 weeks

Countries

Iran