Category Archives: Multiple pregnancy
The case for elective single-embryo transfer
Elective single-embryo transfer during IVF is the best way to prevent multiple pregnancy during IVF. Historically, multiple embryo transfer has been the norm in order maintain a good pregnancy rate. For the past few years, pregnancy rates have increased dramatically and in appropriate candidates, eSET will have pregnancy rates similar to double embryo transfer with a marked reduction in the incidence of multiple pregnancies. Continue reading
National Center for Health Statistics Data Brief on Increase in Twin Births
The incidence of twin pregnancy has increased dramatically as reported in this brief by the NCHS. Older maternal age accounts for one third of this increase. The increased availability of infertility treatments likely explains much of the remainder of the rise. Continue reading
How many embryos should I transfer?
The answer to the question is not always as simple as it seems. The goal is to strike a balance between maximizing pregnancy rates and avoiding high order multiple pregnancy. In addition to age, the other factors that can affect pregnancy rates and hence the number of embryos to be transferred are discussed. The latest guidelines from the Practice Committee of the American Society for Reproductive Medicine are discussed. Continue reading











