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Public centreOfficial 2023 data

H. Fundacion Son Llatzer

Results for H. Fundacion Son Llatzer in Islas Baleares 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:
Carretera de Manacor km 4, Islas Baleares
Website:
www.hsll.es
Medical director:
Martí Mascaró Sastre

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
100-500

Pregnancy probability per transfer, by the woman’s age

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

Fresh embryos

Under 3512.4 – 51.3%
Between 35 and 3911.7 – 33.1%
Over 4011.6 – 49.2%

Frozen embryos

Under 3531.8 – 53.9%
Between 35 and 3932.6 – 51%
Over 4020.4 – 51.8%

Embryo implantation rate

Probability that a transferred embryo implants in the uterus.

Fresh embryos17.4 – 34.1%
Frozen embryos36.3 – 49.2%

Embryos per transfer

The SEF recommends transferring 1 or 2 embryos whenever possible.

Fresh (103 transfers)

  • 1 embryo: 101
  • 2 embryos: 2
  • 3 embryos: 0

Frozen (223 transfers)

  • 1 embryo: 219
  • 2 embryos: 4
  • 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%100%Not applicable
Twin0%0%Not applicable
Triplet or more0%0%Not applicable
Frozen embryo transfers
PregnancyWith 1 embryoWith 2 embryosWith 3 embryos
Singleton94.5%100%Not applicable
Twin5.5%0%Not applicable
Triplet or more0%0%Not 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 359.6 – 25.1%
Between 35 and 39Not applicable

Recorded pregnancies (under 35): 13 singleton · 2 twin · 1 triplet or more

AID — artificial insemination (donor sperm)

Donor sperm placed in the uterus.

Under 355.9 – 35.4%
Between 35 and 393.8 – 25.5%

Recorded pregnancies (under 35): 6 singleton · 0 twin · 0 triplet or more

Recorded pregnancies (35–39): 5 singleton · 0 twin · 1 triplet or more

Other techniques

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

TechniqueFresh embryosFrozen embryos
PGT (preimplantation genetic testing)Not applicable2.5 – 64.1%
Thawing of own eggs (devitrification)Not applicableNot applicable
Thawing of donor eggs (devitrification)26.7 – 80.9%0 – 86.7%
Sperm donation9.2 – 47.9%20.7 – 54.3%
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).