Infertility
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients aged 20-38 years who underwent cryopreservation of whole embryo and cryopreservation of freeze-thawed embryo transfer (FET) at a later date.
Exclusion criteria
Exclusion criteria: 1. Previous IVF failure history of more than 2 times; 2. Previous history of empty eggs; 3. Endometriosis grade III or above; 4. Complicated with serious systemic diseases; 5. Patients with early-onset ovarian insufficiency and premature ovarian failure; 6. Patients with polycystic ovary syndrome; 7. Pre-implantation genetic screening cycle.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the number of viable embryo; | — |
Secondary
| Measure | Time frame |
|---|---|
| the number of oocytes retrieved;the number of mature oocytes;the clinical pregnancy rate;incidence of ovarian hyperstimulation;the implantation rate;the early miscarriage rate; | — |
Countries
China