Transferring blastocyst in FET cycle; does the stage at freezing make a difference ?

Comparative study on the vitrified compact morula and blastocyst of human embryos during in vitro fertilization (IVF)

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR202206710346382

Enrollment

150

Registered

2022-06-15

Start date

2022-07-01

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Fertility-female

Interventions

Blastocyst Cryopreservation

Morula cryopreservation

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: - age 40 years or less

Exclusion criteria

Exclusion criteria: - patient with recurrent implantation failure - Uterine anomaly or poor endometrium - severe male factor - poor responders as defined by Bologna criteria

Design outcomes

Primary

Measure	Time frame
Embryo survival rate	—

Secondary

Measure	Time frame
- Clinical pregnancy rate;Implantation rate	—

Countries

Egypt

Contacts

Public ContactOla Youssef

Lecturer of obstetrics gynaecology Alexandria University

olayoussef_n@hotmail.com+201006041870

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Aug 9, 2026