Is day 7 culture necessary for in vitro fertilization of cryopreserved/warmed human oocytes?

• Główni autorzy: Xiangli Niu (Autor), Cassie T. Wang (Autor), Richard Li (Autor), Ghassan Haddad (Autor), Weihua Wang (Autor)
• Format: Książka
• Wydane: BMC, 2020-01-01T00:00:00Z.
• Hasła przedmiotowe: article
• Dostęp online: Connect to this object online.

Abstract 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 f...