Skip to content

Live birth after fresh embryo transfer versus frozen embryo transfer at cleavage stage: a randomized controlled clinical trial

Live birth after fresh embryo transfer versus frozen embryo transfer at cleavage stage: a randomized controlled clinical trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-IOR-14005406
Enrollment
Unknown
Registered
2014-10-30
Start date
2014-12-15
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

Infertility

Interventions

Fresh embryo transfer group:2 fresh clavage stage embryo transfer
Frozen embryo transfer group:freeze all embryo and 2 thawed clavage stage embryo transfer

Sponsors

Center for Reproductive Medicine, Shandong University
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
20 Years to 34 Years

Inclusion criteria

Inclusion criteria: 1. Women who have a history of infertility longer than at lest one year; 2. Women to be aged older than 20 and younger than 35 years old; 3. Women who have normal menstrual cycle defined as spontaneous cycle length longer than 21 days and shorter than 35 days; 4. Women undergoing their first cycle of IVF or ICSI due to tubal factor or (and) male factor: a. Tubal factors: unilateral or bilateral tubal obstruction, adhesion, unilateral or bilateral salpingectomy or tubal ligation; b. Male factors: oligoasthenozoospermia or obstructive azoospermia; 5. Women whose retrieved oocytes number of 5 or more.

Exclusion criteria

Exclusion criteria: 1. Women who have undergone unilateral oophorectomy; 2. Women who had ever been diagnosed with PCOS; 3. Women who have previously been diagnosed with a uterine abnormality such as a malformed uterus (uterus unicornis, septate uterus, duplex uterus or uterus bicomis), adenomyosis, submucous myoma, intrauterine adhesion, or scarred uterus; 4. Women or their partners with an abnormal chromosome karyotype not including chromosome polymorphisms, which mainly refer to the variants in the chromosomal heterochromatin region; 5. Women who have experienced recurrent spontaneous abortions (including biochemical pregnancy abortion), defined as 2 or more previous pregnancy losses; 6. Women with chronic medical conditions that have confirmed effects on pregnancy, such as hypertension, symptomatic heart diseases, diabetes, undiagnosed liver disease or dysfunction (based on serum liver enzyme test results), renal disease or abnormal renal function, severe anemia, history of deep venous thrombosis, pulmonary embolus or cerebrovascular accident, history of cancer; 7. Women who has high risk of ovarian hyperstimulation syndrome (OHSS) during controlled ovarian hyperstimulation; 8. Women who are unable to comply with the study procedures.

Design outcomes

Primary

MeasureTime frame
Live birth rate;

Countries

China

Contacts

Public ContactZi-Jiang Chen

Center for Reproductive Medicine, Shandong University

chenzijiang59@gmail.com+86 0531-85861173

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Mar 8, 2026