Frozen blastocyst versus frozen 2 pronuclear embryos (2PN)

Comparison between frozen blastocyst ET and frozen 2PN embryo transfer

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR201512001356181

Enrollment

230

Registered

2015-11-21

Start date

2015-12-01

Completion date

Unknown

Last updated

2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Artificial Reproductive Technology

Interventions

Embryo transfer of 2 frozen blastocyst after thawing

Frozen 2PN

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 20-39 years old oocytic count >7 enough numbers of G1 embryos to freeze

Exclusion criteria

Exclusion criteria: >39years <20 years low number of oocyte <7 low quality of embryos

Design outcomes

Primary

Measure	Time frame
clinical pregnancy rate	—

Secondary

Measure	Time frame
implantation rate	—

Countries

Egypt

Contacts

Public ContactYosra Hassan

Cairo university

yosran3@gmail.com000201111766018

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Sep 19, 2026