Surprising Facts About In Vitro Fertilization (IVF)

Chances Of A Live Birth Increase With Multiple Rounds

Sometimes, all a woman needs is one round of IVF to get pregnant and give birth to a child. However, as stated, this is not a sure thing. The good news for those considering IVF, however, is that multiple rounds increase the chances of a live birth compared to one round. Though the success rate will vary between individuals, sources indicate those under forty who undergo two or more rounds of IVF have between a fifty and sixty-five percent chance of a live birth, on average. After forty, the chances do drop significantly, although many at this point choose to use donor eggs from a younger woman to increase the chances of success.

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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.

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