The different assisted reproduction techniques have different success rates, i.e. an uneven possibility of achieving pregnancy. One of the factors that have the most influence is the age of the woman, which means most of the clinics present an unlike success rate in the different age ranges.
The different sections of this article have been assembled into the following table of contents.
Success rate with artificial insemination
Insemination with partner’s sperm
Artificial insemination (AI) is not recommended for women older than 37, due to its ineffectiveness.
- Women younger than 35 years: 17-23% pregnancy rate
- Women between 35 and 40 years: 15-21% pregnancy rate
- Women older than 40: 13% pregnancy rate
Furthermore, it’s been proved that the possibilities of achieving pregnancy increase, if more than one cycle is performed. That’s why it’s said that artificial insemination has a cumulative success rate.
- One cycle: 15-23% pregnancy rate
- Two cycles: 26-34% pregnancy rate
- Three cycles: 35-42% pregnancy rate
- Four cycles: 40-60% pregnancy rate
Artificial insemination with donors sperm (AID)
When donor’s sperm is used, the likelihood of achieving pregnancy increases slightly, since donors must have an exceptional seminal quality to be accepted.
- Women younger than 35 years: 17-33% pregnancy rate
- Women between 35 and 40 years: 17-29% pregnancy rate
- Women older than 40: 16% pregnancy rate
The cumulative success rate of the artificial insemination with donor is:
- One cycle: 17-28% pregnancy rate
- Two cycles: 30-46% pregnancy rate
- Three cycles: 48-60% pregnancy rate
- Four cycles: 60-75% pregnancy rate
Pregnancy rate with IVF
IVF is a technique with higher intervention of the specialist. It’s recommended for the most severe fertility alterations, or when there have been repeated failures with artificial insemination. Donor’s eggs and sperm can be used if needed.
IVF with eggs and sperm of the couple
- Women younger than 35 years: 30-60% pregnancy rate
- Women between 35 and 40 years: 27-40% pregnancy rate
- Women older than 40: 30% pregnancy rate
IVF with egg donation and sperm of the couple
- Women younger than 35 years: 55-63% pregnancy rate
- Women between 35 and 40 years: 55-60% pregnancy rate
- Women older than 40: 55-60% pregnancy rate
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