Skip to content
CRA.es
Public centreOfficial 2023 data

Hospital Universitario Cruces

Results for Hospital Universitario Cruces in Vizcaya 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:
Plaza de Cruces s/n, Vizcaya
Phone:
946006472
Medical director:
Roberto Matorras

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
> 500
Cycles with frozen embryos
100-500

Pregnancy probability per transfer, by the woman’s age

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

Fresh embryos

Under 3518.1 – 45.6%
Between 35 and 3926.3 – 41.2%
Over 400 – 26.1%

Frozen embryos

Under 3541.4 – 59.5%
Between 35 and 3930.5 – 43.6%
Over 4011 – 47.4%

Embryo implantation rate

Probability that a transferred embryo implants in the uterus.

Fresh embryos23.9 – 35.5%
Frozen embryos35.3 – 45.2%

Embryos per transfer

The SEF recommends transferring 1 or 2 embryos whenever possible.

Fresh (209 transfers)

  • 1 embryo: 179
  • 2 embryos: 30
  • 3 embryos: 0

Frozen (349 transfers)

  • 1 embryo: 323
  • 2 embryos: 26
  • 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
Singleton94.6%90.9%Not applicable
Twin5.4%9.1%Not applicable
Triplet or more0%0%Not applicable
Frozen embryo transfers
PregnancyWith 1 embryoWith 2 embryosWith 3 embryos
Singleton97.7%64.3%Not applicable
Twin2.3%35.7%Not applicable
Triplet or more0%0%Not 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 35100 – 100%
Between 35 and 39Not applicable
Over 40Not applicable

Frozen embryos

Under 35Not applicable
Between 35 and 39100 – 100%
Over 40Not applicable

Embryo implantation rate

Probability that a transferred embryo implants in the uterus.

Fresh embryos100 – 100%
Frozen embryos100 – 100%

Embryos per transfer

The SEF recommends transferring 1 or 2 embryos whenever possible.

Fresh (1 transfers)

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

Frozen (1 transfers)

  • 1 embryo: 1
  • 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
Singleton100%Not applicableNot applicable
Twin0%Not applicableNot applicable
Triplet or more0%Not applicableNot applicable
Frozen embryo transfers
PregnancyWith 1 embryoWith 2 embryosWith 3 embryos
Singleton100%Not applicableNot applicable
Twin0%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 359.7 – 24.6%
Between 35 and 3913.1 – 33.8%

Recorded pregnancies (under 35): 16 singleton · 0 twin · 1 triplet or more

Recorded pregnancies (35–39): 14 singleton · 1 twin · 0 triplet or more

AID — artificial insemination (donor sperm)

Donor sperm placed in the uterus.

Under 3518.9 – 38.2%
Between 35 and 3913.6 – 27.3%

Recorded pregnancies (under 35): 22 singleton · 2 twin · 0 triplet or more

Recorded pregnancies (35–39): 25 singleton · 2 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 applicableNot applicable
Thawing of own eggs (devitrification)Not applicable100 – 100%
Thawing of donor eggs (devitrification)0 – 100%0 – 100%
Sperm donation5.2 – 32.3%17.9 – 50.8%
Embryo donationNot applicable

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).