effect of sequential embryo transfer on pregnancy rate

Determining the effect of sequential embryo transfer vs double embryo transfer method on the pregnancy rate: a randomized clinical trial study

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20241104063598N1

Enrollment

140

Registered

2025-06-02

Start date

2025-05-22

Completion date

Unknown

Last updated

2025-07-21

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

Conditions

How to transfer embryos in infertile women aged at least 38 years. Female infertility of other origin

Interventions

Intervention 1: "Intervention group:" Women aged 38 years or older undergoing IVF who receive a two-step embryo transfer. In the embryo transfer cycle, after endometrial preparation, a day-3 embryo i

Eligibility

Sex/Gender

Female

Age

38 Years to No maximum

Inclusion criteria

Inclusion criteria: women with at least 38 years old candidate for IVF with at least 2 embryo for transfer Body mass index (BMI) between 18.5 and 30 height/m2 Endometrium thickness of at least 7 mm on the day of the progestron start

Exclusion criteria

Exclusion criteria: diagnosed autoimmune diseases undiagnosed or untreated hydrosalpinx congenital uterine anomalies using eggs or embryos donation

Design outcomes

Primary

Measure	Time frame
Pregnancy rate. Timepoint: 2, 4 and 12 week after transfer. Method of measurement: beta HCG test and Sonography.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactZahra Zarisfi

Shahid Beheshti University of Medical Sciences

zahra.zarisfi@gmail.com+98 21 2303 1307

Outcome results

None listed

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