The incidence of ectopic/heterotopic pregnancies after blastocyst-stage frozen-thawed embryo transfers compared with that after cleavage-stage: a Society for Assisted Reproductive Technologies Clinical Outcomes Reporting System study
F&S Reports(2021)
摘要
Blastocyst-stage FET was associated with a lower ectopic/heterotopic pregnancy rate compared with cleavage-stage FET.
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关键词
Ectopic pregnancy,heterotopic pregnancy,blastocyst-stage FET,cleavage-stage FET
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