Comparison of the cryopreservation method for day 3 embryos using slow freezing or vitrificatio

Completed

• Conditions: In vitro fertilisation; Pregnancy and Childbirth; Fertilisation methods

• Registration Number: ISRCTN16672665
• Lead Sponsor: Research Foundation Flanders (Belgium)

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2009-01-30
• Last Update Posted: 13 January 2015

Recruitment & Eligibility

• Status: Completed
• Sex: Female
• Target Recruitment: 306

Inclusion Criteria

1. Female aged less than 38 years
2. Patients with day 3 single or double embryo transfer and surplus embryos frozen
3. Cryopreservation criteria:
3.1. 6 - 7 cell embryos on day 3 with less than or equal to 20% fragmentation
3.2. Greater than or equal to 8 cell embryos on day 3 with less than or equal to 50% fragmentation
3.3. No multi-nucleated embryos

Exclusion Criteria

Patients with preimplantation genetic diagnosis treatment

Study & Design

• Study Type: Interventional
• Study Design: Not specified