peated implantation failure
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Selection the repeated implantation failure patients (transplantation is >=2 times, each transplantation include good quality embryo) as the research object.Only in frozen thawed embryo transfer cycles.Patients age is <=38 years old, BMI 18-24, and matching for age , and normal endometrial thickness (8-16mm), have frozen preservation of two or more embryos (which at least one good quality embryo), or a quality blastocysts.
Exclusion criteria
Exclusion criteria: No obvious intrauterine adhesions, uterine malformations, tubal water, ovarian reserve function.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| clinical pregnancy rates;abortion rates;continue to pregnancy rate; | — |
Countries
China