Surprising Facts About In Vitro Fertilization (IVF)

Multiple Births Are More Common

The number of fertilized eggs the doctor implants in the woman does vary and is normally based on a combination of the doctor’s recommendation as well as the wishes of the parents-to-be. With this in mind, most doctors will recommend an average of two to three quality fertilized eggs to increase the chances of conception. Since multiple eggs are often implanted, the chances of multiple births (e.g., twins or triplets) rise when undergoing IVF. This even applies to a single egg transfer in IVF, as there is recent evidence indicating identical twins are more common under this procedure, although the reason why is still under investigation.

Keep reading for more intriguing facts about in vitro fertilization.