What are my odds of having multiples if I do IVF?
When looking across all age groups, the odds of having a multiple gestation pregnancy through IVF is roughly 30%, with the vast majority being twin pregnancies. The likelihood of multiples is primarily determined by two key factors: the number of embryos transferred and the patient’s age.
The Role of Embryo Transfer in Multiples
In years past, reproductive endocrinologists would choose to transfer multiple embryos during an IVF cycle to increase the likelihood that one of them would implant, therefore increasing IVF success rates. Today, this practice is deemed unsafe as it significantly increases the chance of having twins or triplets, which carrier