infertility
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. met the IVF selection criteria; 2. controlled ovarian stimulation IVF treatment; 3. regular menstrual cycle; 4. aged <=37 years; 5. BMI<=28kg/m2; 6. Secondary embryo-transfer failure; 7. Signed informed consent.
Exclusion criteria
Exclusion criteria: 1. Uterine malformations ,intrauterine adhesions; 2. Uterine fibroids,multiple uterine fibroids,Intramural uterine fibroids>3cm,Submucosal fibroids; 3. endometrial thickness on the daay of embryo transfer<8mm; 4. Hydrosalpinx; 5. only one quality embryo; 6. transplantation difficulties; 7. use donor eggs; 8. PGD/PGS; 9. Cancel transplant because of OHSS or unfertilized; 10. Blastocyst transfer; 11. Natural cycles or IVM; 12. Participate in other clinical trials.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| clinical pregnancy rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| uterine contractions rate;embryo implantation rate;early abortion rate;multiple pregnancy rate;ectopic pregnancy rate; | — |
Countries
China
Contacts
Reproductive & Genetic Hospital of CITIC-XIANGYA