The process of IVF, in and of itself, does not necessarily lead to a substantially higher risk of multiple pregnancy. I was pregnant each time but lost the first 3 babies. Birth of twins increased some 72 percent. In 2009, to set standards on how many embryos should be transferred, the American Society for Reproductive Medicine (ASRM) published revised guidelines . Unfortunately, this practice also increases the risk of multiple pregnancies, i.e. How Many Embryos Should You Transfer For IVF? Both times only one took. The financial and emotional costs of . Ongoing pregnancies = 65 %. The new goal: single . Nearly a third of all twins will end up in the NICU. Thus, 17% of all Canadian births were twins in 2013 ( Canadian Fertility and Andrology . Transfer 1 or 2 embryos - thoughts? What decision did you make? Sadly, twin babies are seven times more likely to die in the neonatal period (from birth until 28 days) compared with single born children. Introduction. IVF/FET After Twins, # of Embryos Transferred — The Bump Since 1998, the rate of twin and multiple births have begun to decrease - as providers have begun to transfer three or more embryos less frequently ( Kulkarni et al., 2013) - but remain higher in numerous countries than many observers argue is optimal. There would be absolutely no question of eSET of blastocysts, as the clinic's stats show that there's less than 1% difference in the pregnancy rates between those who had 1 vs 2 blasts transferred -but the rate of multiples is 50% higher amongst the DET group. Trusted Source. In the 4th cycle I became pregnant with 2 babies and lost one 5 weeks into the cycle-- happily that boy turned 21 yesterday. What's the Chance of Twins with a Double or Single Embryo Transfer?