Comparing the rate of pregnancy of Natural versus modified –natural cycle in frozen embryo transfer

Not Applicable

• Conditions: In vitro fertilization.; In vitro fertilization; Z31.2

• Registration Number: IRCT201607311556N92
• Lead Sponsor: Tehran University of Medical scinces/Vice chancellor for research

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Last Update Posted: 11 January 2022

Recruitment & Eligibility

• Status: Complete
• Sex: Female
• Target Recruitment: 140

Inclusion Criteria

Age below 38
Regular menstrual cycle
Normal BMI
The previous history of up to two IVF cycle

Exclusion Criteria

PCOD
History of endometriosis ( grade =3) according to AFS
Abnormal uterin
FSH =12
Sever male factor

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Clinical pregnancy rate. Timepoint: 6 weeks of pregnancy. Method of measurement: Ultrasonography.;Abortion rate. Timepoint: During 20 weeks of pregnancy. Method of measurement: Ulthrasonography, B-HCG.;Chemical Pregnancy Rate. Timepoint: 2 weeks after embryo transfer. Method of measurement: Blood Pregnancy Test (BHCG).

Secondary Outcome Measures

Name	Time	Method
Implantation. Timepoint: Gestational sac in 5 weeks of pregnancy. Method of measurement: ultrasonography.;Ongoing Pregnancy Rate. Timepoint: 12 weeks of gestation. Method of measurement: The rate of pregnancies that continued =12 weeks of gestation.;Endometrial thickness. Timepoint: At regular intervals until the endometrial thickness reaches above 7 mm. Method of measurement: Transvaginal Ultrasound.;No. of embryos transferred. Timepoint: At the time of embryo transfer. Method of measurement: Embryologist's report.