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Successful elective and medically indicated oocyte vitrification and warming for autologous in vitro fertilization, with predicted birth probabilities for fertility preservation according to number of cryopreserved oocytes and age at retrieval.
Fertil Steril. 2016 Feb; 105(2):459-66.e2.FS

Abstract

OBJECTIVE

To evaluate a single treatment center's experience with autologous IVF using vitrified and warmed oocytes, including fertilization, embryonic development, pregnancy, and birth outcomes, and to estimate the likelihood of live birth of at least one, two, or three children according to the number of mature oocytes cryopreserved by elective fertility preservation patients.

DESIGN

Retrospective cohort study.

SETTING

Private practice clinic.

PATIENT(S)

Women undergoing autologous IVF treatment using vitrified and warmed oocytes. Indications for oocyte vitrification included elective fertility preservation, desire to limit the number of oocytes inseminated and embryos created, and lack of available sperm on the day of oocyte retrieval.

INTERVENTION(S)

Oocyte vitrification, warming, and subsequent IVF treatment.

MAIN OUTCOME MEASURE(S)

Post-warming survival, fertilization, implantation, clinical pregnancy, and live birth rates.

RESULT(S)

A total of 1,283 vitrified oocytes were warmed for 128 autologous IVF treatment cycles. Postthaw survival, fertilization, implantation, and birth rates were all comparable for the different oocyte cryopreservation indications; fertilization rates were also comparable to fresh autologous intracytoplasmic sperm injection cycles (70% vs. 72%). Implantation rates per embryo transferred (43% vs. 35%) and clinical pregnancy rates per transfer (57% vs. 44%) were significantly higher with vitrified-warmed compared with fresh oocytes. However, there was no statistically significant difference in live birth/ongoing pregnancy (39% vs. 35%). The overall vitrified-warmed oocyte to live born child efficiency was 6.4%.

CONCLUSION(S)

Treatment outcomes using autologous oocyte vitrification and warming are as good as cycles using fresh oocytes. These results are especially reassuring for infertile patients who must cryopreserve oocytes owing to unavailability of sperm or who wish to limit the number of oocytes inseminated. Age-associated estimates of oocyte to live-born child efficiencies are particularly useful in providing more explicit expectations regarding potential births for elective oocyte cryopreservation.

Authors+Show Affiliations

Shady Grove Fertility Reproductive Science Center, Rockville, Maryland. Electronic address: joseph.doyle@integramed.com.Shady Grove Fertility Reproductive Science Center, Rockville, Maryland.Shady Grove Fertility Reproductive Science Center, Rockville, Maryland.Shady Grove Fertility Reproductive Science Center, Rockville, Maryland.Shady Grove Fertility Reproductive Science Center, Rockville, Maryland.Shady Grove Fertility Reproductive Science Center, Rockville, Maryland.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

26604065

Citation

Doyle, Joseph O., et al. "Successful Elective and Medically Indicated Oocyte Vitrification and Warming for Autologous in Vitro Fertilization, With Predicted Birth Probabilities for Fertility Preservation According to Number of Cryopreserved Oocytes and Age at Retrieval." Fertility and Sterility, vol. 105, no. 2, 2016, pp. 459-66.e2.
Doyle JO, Richter KS, Lim J, et al. Successful elective and medically indicated oocyte vitrification and warming for autologous in vitro fertilization, with predicted birth probabilities for fertility preservation according to number of cryopreserved oocytes and age at retrieval. Fertil Steril. 2016;105(2):459-66.e2.
Doyle, J. O., Richter, K. S., Lim, J., Stillman, R. J., Graham, J. R., & Tucker, M. J. (2016). Successful elective and medically indicated oocyte vitrification and warming for autologous in vitro fertilization, with predicted birth probabilities for fertility preservation according to number of cryopreserved oocytes and age at retrieval. Fertility and Sterility, 105(2), 459-e2. https://doi.org/10.1016/j.fertnstert.2015.10.026
Doyle JO, et al. Successful Elective and Medically Indicated Oocyte Vitrification and Warming for Autologous in Vitro Fertilization, With Predicted Birth Probabilities for Fertility Preservation According to Number of Cryopreserved Oocytes and Age at Retrieval. Fertil Steril. 2016;105(2):459-66.e2. PubMed PMID: 26604065.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Successful elective and medically indicated oocyte vitrification and warming for autologous in vitro fertilization, with predicted birth probabilities for fertility preservation according to number of cryopreserved oocytes and age at retrieval. AU - Doyle,Joseph O, AU - Richter,Kevin S, AU - Lim,Joshua, AU - Stillman,Robert J, AU - Graham,James R, AU - Tucker,Michael J, Y1 - 2015/11/18/ PY - 2015/06/30/received PY - 2015/09/26/revised PY - 2015/10/27/accepted PY - 2015/11/26/entrez PY - 2015/11/26/pubmed PY - 2016/6/30/medline KW - Autologous oocyte vitrification KW - fertility preservation KW - live birth KW - warming SP - 459 EP - 66.e2 JF - Fertility and sterility JO - Fertil. Steril. VL - 105 IS - 2 N2 - OBJECTIVE: To evaluate a single treatment center's experience with autologous IVF using vitrified and warmed oocytes, including fertilization, embryonic development, pregnancy, and birth outcomes, and to estimate the likelihood of live birth of at least one, two, or three children according to the number of mature oocytes cryopreserved by elective fertility preservation patients. DESIGN: Retrospective cohort study. SETTING: Private practice clinic. PATIENT(S): Women undergoing autologous IVF treatment using vitrified and warmed oocytes. Indications for oocyte vitrification included elective fertility preservation, desire to limit the number of oocytes inseminated and embryos created, and lack of available sperm on the day of oocyte retrieval. INTERVENTION(S): Oocyte vitrification, warming, and subsequent IVF treatment. MAIN OUTCOME MEASURE(S): Post-warming survival, fertilization, implantation, clinical pregnancy, and live birth rates. RESULT(S): A total of 1,283 vitrified oocytes were warmed for 128 autologous IVF treatment cycles. Postthaw survival, fertilization, implantation, and birth rates were all comparable for the different oocyte cryopreservation indications; fertilization rates were also comparable to fresh autologous intracytoplasmic sperm injection cycles (70% vs. 72%). Implantation rates per embryo transferred (43% vs. 35%) and clinical pregnancy rates per transfer (57% vs. 44%) were significantly higher with vitrified-warmed compared with fresh oocytes. However, there was no statistically significant difference in live birth/ongoing pregnancy (39% vs. 35%). The overall vitrified-warmed oocyte to live born child efficiency was 6.4%. CONCLUSION(S): Treatment outcomes using autologous oocyte vitrification and warming are as good as cycles using fresh oocytes. These results are especially reassuring for infertile patients who must cryopreserve oocytes owing to unavailability of sperm or who wish to limit the number of oocytes inseminated. Age-associated estimates of oocyte to live-born child efficiencies are particularly useful in providing more explicit expectations regarding potential births for elective oocyte cryopreservation. SN - 1556-5653 UR - https://www.unboundmedicine.com/medline/citation/26604065/Successful_elective_and_medically_indicated_oocyte_vitrification_and_warming_for_autologous_in_vitro_fertilization_with_predicted_birth_probabilities_for_fertility_preservation_according_to_number_of_cryopreserved_oocytes_and_age_at_retrieval_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0015-0282(15)02037-3 DB - PRIME DP - Unbound Medicine ER -