Comparison of two protocols for transfer of the frozen embryos

Evaluation of human chorionic gonadotropin (HCG) addition during secretary phase in frozen-thawed embryo transfer cycles

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

IRCT

Registry ID

IRCT201107266420N4

Enrollment

150

Registered

2011-09-18

Start date

2009-01-01

Completion date

Unknown

Last updated

2021-04-26

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

Conditions

infertility. Postprocedural disorders of genitourinary system, not elsewhere classified

Interventions

Intervention 1: Intervention: all women receive estradiol valerate 6 mg PO per day from the second day of menstrual cycle. Endometrial thickness is assessing by using vaginal ultrasonography since 13t

Eligibility

Sex/Gender

Female

Age

18 Years to 38 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: History of in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) fail; cryopreservation of excess embryos

Exclusion criteria

Exclusion criteria: age >38 years; BMI>30; history of endocrine disorder; severe endometriosis.

Design outcomes

Primary

Measure	Time frame
Chemical pregnancy. Timepoint: 2 weeks. Method of measurement: serum BHCG.	—

Secondary

Measure	Time frame
Clinical sonography. Timepoint: 2 weeks. Method of measurement: sonography.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr Maryam Eftekhar

Yazd research center for infertility

eftekhar@ssu.ac.ir+98 35 1824 7085

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026