infertility
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. IVF and ICSI women and consent to participate in this study and sign informed consent; 2. Transplantation of fresh or frozen blastocysts failed only once; 3. Single blastocyst transfer (HRT cycle); 4. Endometrial thickness (> 7mm) on HCG day in fresh cycle; 5. Aged between 20 and 38 years old; 6. BMI (< 28) (kg/m2).
Exclusion criteria
Exclusion criteria: 1. severe endocrine disorders (such as hyperthyroidism, hypothyroidism, hyperprolactinemia, etc.) and other systemic diseases (such as hypertension, diabetes, etc.); 2. severe uterine malformations, uterine fibroids and untreated hydrosalpinx were excluded; 3. recurrent miscarrage; 4. severe endometriosis (Ems III or IV); 5. PGS patients; 6. known allergic history of Atoxiban; 7. Participate in other RCT experiments.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| live birth rate; | — |
Countries
China
Contacts
Northwest Women's and Children's Hospital