embryo 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 aged <=38 years old, BMI 18-24, and matched the 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 |
|---|---|
| pregnancy rates; | — |
Contacts
Liuzhou Maternity and Child Healthcare Hospital