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Private centreOfficial 2023 data

Instituto Vasco de Fertilidad Donostia

Results for Instituto Vasco de Fertilidad Donostia in Guipúzcoa from Spain’s official Ministry of Health registry: reporting is mandatory, and more than 10% of centres are audited each year by an independent body.

Address:
Tolosa Hiribidea, 71, Donostia-San Sebastian, Guipúzcoa
Phone:
943328160
Medical director:
David Iruretagoyena Sutil

Registered services: FIV/ICSI · Donación de ovocitos · PGT · IAC · IAD

IVF/ICSI with own oocytes

In vitro fertilisation using the patient’s own eggs.

Fresh cycles
100-500
Cycles with frozen embryos
Not applicable

Pregnancy probability per transfer, by the woman’s age

The registry publishes intervals, not exact figures. Scale 0–100%.

Fresh embryos

Under 3535.2 – 92.1%
Between 35 and 394 – 71%
Over 400 – 67.4%

Frozen embryos

Under 3538 – 70.1%
Between 35 and 3948.2 – 82.8%
Over 401 – 99%

Embryo implantation rate

Probability that a transferred embryo implants in the uterus.

Fresh embryos31.8 – 72.6%
Frozen embryos50 – 72.8%

Embryos per transfer

The SEF recommends transferring 1 or 2 embryos whenever possible.

Fresh (23 transfers)

  • 1 embryo: 23
  • 2 embryos: 0
  • 3 embryos: 0

Frozen (70 transfers)

  • 1 embryo: 70
  • 2 embryos: 0
  • 3 embryos: 0

Type of pregnancy achieved

A singleton pregnancy is the best outcome after fertility treatment.

Fresh transfers
PregnancyWith 1 embryoWith 2 embryosWith 3 embryos
Singleton90.9%Not applicableNot applicable
Twin9.1%Not applicableNot applicable
Triplet or more0%Not applicableNot applicable
Frozen embryo transfers
PregnancyWith 1 embryoWith 2 embryosWith 3 embryos
Singleton95.1%Not applicableNot applicable
Twin4.9%Not applicableNot applicable
Triplet or more0%Not applicableNot applicable

Egg donation

In vitro fertilisation with eggs provided by a donor.

Fresh cycles
Not applicable
Cycles with frozen embryos
Not applicable

Pregnancy probability per transfer, by the woman’s age

The registry publishes intervals, not exact figures. Scale 0–100%.

Fresh embryos

Under 35Not applicable
Between 35 and 39Not applicable
Over 40Not applicable

Frozen embryos

Under 35100 – 100%
Between 35 and 3919.1 – 73.3%
Over 4031.5 – 68.5%

Embryo implantation rate

Probability that a transferred embryo implants in the uterus.

Fresh embryosNot applicable
Frozen embryos39.8 – 69.3%

Embryos per transfer

The SEF recommends transferring 1 or 2 embryos whenever possible.

Frozen (44 transfers)

  • 1 embryo: 44
  • 2 embryos: 0
  • 3 embryos: 0

Type of pregnancy achieved

A singleton pregnancy is the best outcome after fertility treatment.

Fresh transfers
PregnancyWith 1 embryoWith 2 embryosWith 3 embryos
SingletonNot applicableNot applicableNot applicable
TwinNot applicableNot applicableNot applicable
Triplet or moreNot applicableNot applicableNot applicable
Frozen embryo transfers
PregnancyWith 1 embryoWith 2 embryosWith 3 embryos
Singleton95.7%Not applicableNot applicable
Twin4.3%Not applicableNot applicable
Triplet or more0%Not applicableNot applicable

Artificial insemination

Pregnancy rate per cycle in women under 40.

AIH — artificial insemination (partner’s sperm)

The partner’s sperm, prepared and placed in the uterus.

Under 35Not applicable
Between 35 and 390 – 100%

Recorded pregnancies (35–39): 1 singleton · 0 twin · 0 triplet or more

AID — artificial insemination (donor sperm)

Donor sperm placed in the uterus.

Under 3514.5 – 39.7%
Between 35 and 394.3 – 35.7%

Recorded pregnancies (under 35): 12 singleton · 1 twin · 0 triplet or more

Recorded pregnancies (35–39): 5 singleton · 0 twin · 0 triplet or more

Other techniques

Pregnancy probability per transfer (intervals as published by the registry).

TechniqueFresh embryosFrozen embryos
PGT (preimplantation genetic testing)Not applicable59.8 – 74.8%
Thawing of own eggs (devitrification)0 – 100%10 – 90%
Thawing of donor eggs (devitrification)17.1 – 100%43.6 – 58.7%
Sperm donation16.9 – 68.8%40 – 68.7%
Embryo donation31.4 – 58.8%

Source: “Registro Nacional de Actividad 2023-Registro SEF” (Spanish National ART Activity Registry) — registrosef.com, retrieved 31 July 2026. 2023 activity data, the most recent published by the registry (it publishes with a ~2-year lag).