Comparison of Clinical Outcomes in Fresh Cycle With Single Blastocyst Stage and Double Cleavage-stage Embryos: a Single-center, Non-blind, Randomized Controlled Study
Infertility, Female
About this trial
This is an interventional treatment trial for Infertility, Female
Eligibility Criteria
Inclusion Criteria: patients with a diagnosis of primary or secondary infertility with a clinical indication for IVF/intracytoplasmic sperm injection (ICSI) under 38 years of age number of AFC≥6, AMH>1.1ng/ml no adverse factors of fresh embryo transplantation (evaluation by an experienced reproductive physician) number of available embryos(day 3)≥4 informed consent Exclusion Criteria: PGT with adenomyosis, endometrial compression by uterine fibroids, intrauterine adhesion, endometrial polyps and other factors unsuitable for fresh cycle transplantation
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Other
Other
Double Cleavage-stage Embryos transfer
Single Blastocyst Stage Embryos transfer
In group A, two embryos at cleavage stage were transplanted on the third day after oocyte retrieval.
Group B was graded by Gardner blastocyst grading method, and one blastocyst was transplanted on the 5th or 6th day after oocyte retrieval.