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Comparison the pregnancy outcome of frozen emberyo transfer

Comparison the pregnancy outcome of frozen emberyo transfer in natural vs artificial cycle

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20181030041503N11
Enrollment
120
Registered
2025-09-18
Start date
2025-07-23
Completion date
Unknown
Last updated
2025-10-13

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

Conditions

Infertility. Female infertility, unspecified

Interventions

if <10 ng/mL, 400 mg/day progesterone is administered.
Intervention 1: Estradiol valerate is initiated at 4 mg/day on day 2 of the menstrual cycle and is adjusted to 8 mg/day based on endometrial thickness. Once the endometrial thickness reaches =8 mm, pr

Sponsors

Mashhad University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 42 Years

Inclusion criteria

Inclusion criteria: Regular menstrual cycle Normal intrauterine cavity on pretreatment assessment BMI less than or equal to 30 No evidence of endometriosis grade 3 or highe No evidence of ovulation disorder.

Exclusion criteria

Exclusion criteria: Failure of embryo thawing Patient's refusal to continue treatment Failure of dominant follicle growth Lack of suitable endometrium

Design outcomes

Primary

MeasureTime frame
Chemical pregnancy: positive ß-HCG test greater than 25 mIU/ml after 12–16 days from embryo transfer. Timepoint: 12–16 days after embryo transfer. Method of measurement: Blood test.;Clinical pregnancy rate. Timepoint: 6 weeks after transfer. Method of measurement: Ultrasound examination.;Ongoing Pregnancy Rate. Timepoint: At 20 weeks after embryo transfer. Method of measurement: Ultrasound examination.;Miscarriage rate. Timepoint: Before 20 weeks of pregnancy. Method of measurement: Ultrasound examination.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMalihe Mahmoudinia

Mashhad University of Medical Sciences

mahmoudiniam@mums.ac.ir+98 915 304 7813

Outcome results

None listed

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