Blastocyst Transfer in IVF: Fewer Risks, New Hope
Mark Perloe (Doctor)
Michael J. Tucker (Doctor)
E.Scott Sills (Doctor)
Carolyn Kaplan (Doctor)
Drs Perloe, Tucker and Sills are OBGYN.net Editorial Advisors
Key Points
- The incidence of multiple births following assisted reproductive techniques is of concern to infertility practitioners and patients. Blastocyst transfer has the potential to almost eliminate this risk.
- Embryos developing to the blastocyst stage (day 5/6) have a much greater chance of implanting than day 3 transfers.
- The ability to develop embryos to the blastocyst stage is an important advance, but current blastocyst quality grading standards are as yet crude measures of implantation success.
- Further advances may make the transfer of a single blastocyst the norm in the future.
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