Instituto Marquès
Results for Instituto Marquès in Barcelona 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:
- Avinguda Diagonal, 662-664, Barcelona
- Phone:
- 932197804
- Website:
- www.institutomarques.com
- Medical director:
- Borja Marqués López-Teijón
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
Frozen embryos
Embryo implantation rate
Probability that a transferred embryo implants in the uterus.
Embryos per transfer
The SEF recommends transferring 1 or 2 embryos whenever possible.
Fresh (102 transfers)
- 1 embryo: 100
- 2 embryos: 2
- 3 embryos: 0
Frozen (434 transfers)
- 1 embryo: 424
- 2 embryos: 10
- 3 embryos: 0
Type of pregnancy achieved
A singleton pregnancy is the best outcome after fertility treatment.
| Pregnancy | With 1 embryo | With 2 embryos | With 3 embryos |
|---|---|---|---|
| Singleton | 100% | 100% | Not applicable |
| Twin | 0% | 0% | Not applicable |
| Triplet or more | 0% | 0% | Not applicable |
| Pregnancy | With 1 embryo | With 2 embryos | With 3 embryos |
|---|---|---|---|
| Singleton | 97.6% | 50% | Not applicable |
| Twin | 2.4% | 50% | Not applicable |
| Triplet or more | 0% | 0% | Not applicable |
Egg donation
In vitro fertilisation with eggs provided by a donor.
- Fresh cycles
- 100-500
- Cycles with frozen embryos
- > 500
Pregnancy probability per transfer, by the woman’s age
The registry publishes intervals, not exact figures. Scale 0–100%.
Fresh embryos
Frozen embryos
Embryo implantation rate
Probability that a transferred embryo implants in the uterus.
Embryos per transfer
The SEF recommends transferring 1 or 2 embryos whenever possible.
Fresh (183 transfers)
- 1 embryo: 180
- 2 embryos: 3
- 3 embryos: 0
Frozen (687 transfers)
- 1 embryo: 663
- 2 embryos: 24
- 3 embryos: 0
Type of pregnancy achieved
A singleton pregnancy is the best outcome after fertility treatment.
| Pregnancy | With 1 embryo | With 2 embryos | With 3 embryos |
|---|---|---|---|
| Singleton | 98.9% | 66.7% | Not applicable |
| Twin | 1.1% | 33.3% | Not applicable |
| Triplet or more | 0% | 0% | Not applicable |
| Pregnancy | With 1 embryo | With 2 embryos | With 3 embryos |
|---|---|---|---|
| Singleton | 99.3% | 60% | Not applicable |
| Twin | 0.7% | 40% | Not applicable |
| Triplet or more | 0% | 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.
Recorded pregnancies (under 35): 4 singleton · 0 twin · 0 triplet or more
AID — artificial insemination (donor sperm)
Donor sperm placed in the uterus.
Recorded pregnancies (under 35): 13 singleton · 2 twin · 0 triplet or more
Recorded pregnancies (35–39): 4 singleton · 0 twin · 0 triplet or more
Other techniques
Pregnancy probability per transfer (intervals as published by the registry).
| Technique | Fresh embryos | Frozen embryos |
|---|---|---|
| PGT (preimplantation genetic testing) | 32.5 – 56.7% | 49.2 – 59.2% |
| Thawing of own eggs (devitrification) | 6.2 – 79.5% | 35.2 – 84.8% |
| Thawing of donor eggs (devitrification) | 45.8 – 65.8% | 24.7 – 42.6% |
| Sperm donation | 34.9 – 65.1% | 42.1 – 59.4% |
| Embryo donation | — | 38.6 – 48.6% |
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).