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Is day 7 culture necessary for in vitro fertilization of cryopreserved/warmed human oocytes?
BACKGROUND: Human embryos are usually cultured to blastocyst stage by Day 5 or 6 after insemination. However, some embryos grow slowly and reach blastocyst stage at Day 7. Acceptable live birth rates have been reported after transfer of Day 7 blastocysts resulted from fresh oocyte in vitro fertiliza...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6969436/ https://www.ncbi.nlm.nih.gov/pubmed/31952537 http://dx.doi.org/10.1186/s12958-020-0565-9 |