Cited by 165Reproductive Biology and FertilityReproductive Health and TechnologiesReproductive biology and impacts on aquatic species

Oocyte vitrification for fertility preservation for both medical and nonmedical reasons

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Cobo, Ana, García-Velasco, Juan Antonio, Remohí, José, Pellicer, Antonio·2021·Fertility and Sterility

Abstract

Growing evidence of successful outcomes achieved with the oocyte vitrification technique has greatly contributed to its application in the field of fertility preservation (FP). The population that can benefit from FP includes women at a risk of losing their ovarian function because of either iatrogenic causes or natural depletion of their ovarian reserve. Therefore, oncological patients and healthy women who wish to delay motherhood for various reasons-elective FP-are currently being offered this option. Satisfactory oocyte survival rates and clinical outcomes, including cumulative live birth rates, have been reported in recent years. These studies show that age at oocyte retrieval strongly affects reproductive prognosis after FP. Therefore, elective FP patients should be encouraged to decide before they reach the age of 35 years to significantly increase their chances of success. The effect of age has also been observed in patients with cancer and women diagnosed with endometriosis. The reproductive outcome after FP is worse in patients with cancer, but a direct association between the disease and reproductive outcome is yet to be proven. Young patients (≤35 years) with endometriosis who have undergone cystectomy before oocyte retrieval for FP have worse outcomes than nonoperated women in age-matched groups. In addition, the number of oocytes used per patient is closely related to success in all populations, with considerable improvement in the result with the addition of a few oocytes, especially in healthy young patients.

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Crossref · 10.1016/j.fertnstert.2021.02.006

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  • In individuals with threats to ovarian reserve such as oncological patients and those with endometriosis, cumulative live birth rate after oocyte cryopreservation is associated with the number of vitrified oocytes.

    “In individuals with threats to ovarian reserve such as oncological patients and those with endometriosis, cumulative live birth rate after oocyte cryopreservation is associated with the number of vitrified oocytes.612”
  • In general, 10 to 20 oocytes are needed for one live birth in non-TS individuals less than 35 years old.

    “In general, 10 to 20 oocytes are needed for one live birth in non-TS individuals less than 35 years old.612”

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Authors
Cobo, A., García-Velasco, J. A., Remohí, J., & Pellicer, A.
Affiliations
  • IVIRMA Global (ES)
  • Universidad Rey Juan Carlos (ES)
Corresponding author
Cobo, Ana
Venue
Fertility and Sterility
Publisher
Elsevier BV
Published
2021-05
Volume
115
Issue
5
Pages
1091-1101
ISSN
0015-0282 (ISSN-L)
OpenAlex
W3159958283
Cited by
165
References
63
Citations by year
2026: 24 · 2025: 25 · 2024: 53 · 2023: 39 · 2022: 19 · 2021: 5
FWCI
5.17
Type
journal article
Language
en
Open access
Locations
  • Fertility and Sterility (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Reproductive Biology and Fertility
  • Health Sciences › Medicine › Reproductive Medicine › Reproductive Health and Technologies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Physiology › Reproductive biology and impacts on aquatic species
Keywords
oocyte vitrification, fertility preservation, elective fertility preservation, ovarian reserve depletion, cancer patients, endometriosis, oocyte number, live birth rate, ovarian preservation
MeSH terms
Adult, Female, Humans, Medical Oncology, Oocytes, Cryopreservation, Elective Surgical Procedures, Reproductive Medicine, Vitrification, Fertility Preservation

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