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Fifteen Years of Autologous Oocyte Thaw Outcomes From a Large University-Based Fertility Center

Cascante, Sarah Druckenmiller; Blakemore, Jennifer K.; Devore, Shannon; Hodes-Wertz, Brooke; Fino, M. Elizabeth; Berkeley, Alan S.; Parra, Carlos M.; McCaffrey, Caroline; Grifo, James A.
SCOPUS:85141223505
ISSN: 0029-7828
CID: 5369562

ICING ON THE CAKE: CAN OOCYTES "ON ICE" RESULT IN MORE THAN ONE LIVE BIRTH (LB)? [Meeting Abstract]

Cascante, S D; Blakemore, J K; Parra, C M; DeVore, S; Hodes-Wertz, B; McCaffrey, C; Grifo, J A
Objective: Data regarding the chance of more than one LB from oocyte cryopreservation (OC) is lacking. We reviewed outcomes from patients (pts) with >=1 LB from thawed autologous oocytes (AOs) to examine: 1) how many have inventory (AOs or resultant euploid/untested/no result embryos), and 2) embryo transfer (ET) outcomes after 1st LB.
Material(s) and Method(s): We reviewed all pts who thawed AOs at our center in 2006-2021 and had >=1 resultant LB. Pts were excluded if OC was performed for a medical reason, as research, due to lack of sperm or a natural disaster, with embryo banking or for gestational carrier use.
Result(s): 191 pts had >=1 LB (median # OC cycles 1, median age at 1st OC 37 years (y), median # cryopreserved AOs 18, median # AOs thawed before 1st LB 15). After LB, 61% of pts (n=117) had inventory and 39% (n=74) did not; see table. Among pts with inventory, 12% (n=14) discarded or donated, 3% (n=4) transported out and 10% (n=12) consumed all inventory as of 1/2022. 22% of pts with inventory (n=26) had >=1 ET after LB. Among these pts, 21 thawed embryos (median # thawed 1, range 1-2), 4 thawed AOs (median # thawed 11, range 5-40) and 1 thawed both AOs + embryos (15 AOs + 4 embryos). Median time from the ET that led to 1st LB and next ET was 26 months (range 15-57) and median age at next ET was 44y (range 37-53). This ET resulted in: implantation rate of 63% (19/30), spontaneous abortion rate of 16% (3/19) and ongoing pregnancy (OP) + LB rate of 58% (15/26); 1 pregnancy was terminated for monozygotic twins. Among pts who had a LB from this ET, 66% (10/15) had remaining inventory and 33% (5/15) did not. Among pts who did not have a LB from this ET, 45% (5/11) had remaining inventory and 54% (6/11) did not; 5 of these unsuccessful pts returned for another ET and 2 had a LB. In total, 16 pts had 2 ETs result in OP/LB and 1 pt had 3 ETs result in LB. 10 more pts had >=2 children from a single ET (9 twins, 1 triplet); thus, we report 27 pts with >=2 children from OC. Among pts with >=2 children, median # OC cycles was 1 (range 1-8), median age at 1st OC was 37y (range 34-41), median # cryopreserved AOs was 20 (range 5-102) and median # thawed AOs was 19 (range 5-58).
Conclusion(s): Most pts (61%) had inventory after their 1st LB from OC, and most pts (65%) who returned for ET after LB achieved another OP/LB. Further research must explore pts' thoughts regarding OC inventory after LB and its associated storage fees. Impact Statement: OC can help pts achieve their ideal family size, even if >1 child. [Formula presented] Support: None.
Copyright
EMBASE:2020861220
ISSN: 1556-5653
CID: 5366952

Fifteen years of autologous oocyte thaw outcomes from a large university-based fertility center

Cascante, Sarah Druckenmiller; Blakemore, Jennifer K; DeVore, Shannon; Hodes-Wertz, Brooke; Fino, M Elizabeth; Berkeley, Alan S; Parra, Carlos M; McCaffrey, Caroline; Grifo, James A
OBJECTIVE:To review the outcomes of patients who underwent autologous oocyte thaw after planned oocyte cryopreservation. DESIGN/METHODS:Retrospective cohort study. SETTING/METHODS:Large urban university-affiliated fertility center. PATIENT(S)/METHODS:All patients who underwent ≥1 autologous oocyte thaw before December 31, 2020. INTERVENTION(S)/METHODS:None. MAIN OUTCOME MEASURE(S)/METHODS:The primary outcome was the final live birth rate (FLBR) per patient, and only patients who had a live birth (LB) or consumed all remaining inventory (cryopreserved oocytes and resultant euploid/untested/no result embryos) were included. The secondary outcomes were laboratory outcomes and LB rates per transfer. RESULT(S)/RESULTS:A total of 543 patients underwent 800 oocyte cryopreservations, 605 thaws, and 436 transfers. The median age at the first cryopreservation was 38.3 years. The median time between the first cryopreservation and thaw was 4.2 years. The median numbers of oocytes and metaphase II oocytes (M2s) thawed per patient were 14 and 12, respectively. Overall survival of all thawed oocytes was 79%. Of all patients, 61% underwent ≥1 transfer. Among euploid (n = 262) and nonbiopsied (n = 158) transfers, the LB rates per transfer were 55% and 31%, respectively. The FLBR per patient was 39%. Age at cryopreservation and the number of M2s thawed were predictive of LB; the FLBR per patient was >50% for patients aged <38 years at cryopreservation or who thawed ≥20 M2s. A total of 173 patients (32%) have remaining inventory. CONCLUSION(S)/CONCLUSIONS:Autologous oocyte thaw resulted in a 39% FLBR per patient, which is comparable with age-matched in vitro fertilization outcomes. Studies with larger cohorts are necessary.
PMID: 35597614
ISSN: 1556-5653
CID: 5247762

LOCKDOWN UPTICK: DID THE SARS-COV-2 PANDEMIC GENERATE AN INCREASE IN PLANNED OOCYTE CRYOPRESERVATION (POC)? [Meeting Abstract]

Weidenbaum, E M; Cascante, S D; DeVore, S; Hodes-Wertz, B; Grifo, J A; Blakemore, J K
OBJECTIVE: The rise of the SARS-CoV-2 pandemic and temporary closures of fertility centers made the effect on POC cycles uncertain but garnered national attention1,2. We sought to assess the impact of the pandemic on POC cycles in a pandemic epicenter. MATERIALS AND METHODS: This is a retrospective cohort study of all POC cycles at an academic fertility center in New York City from 1/1/2019- 12/31/2020. Primary outcomes were number of POC patients (pts) and cycles. Secondary outcomes were pt relationship status, payment method, AMH, and cycle parameters; with subgroup analyses by age groups. We also examined the relationship between monthly number of POC cycles and national SaRS-CoV-2 cases. Statistical analyses included z-score analysis, Mann-Whitney, and Chi-squared, with p<0.05 significant.
RESULT(S): Despite a 5.5 week center closure in 2020, POC pts increased 14% and POC cycles increased 16% from 2019 to 2020 (Table), with a 32% increase seen between June-Dec, 2020 . There was a 28% increase in POC pts <37yo in 2020 (252 pts vs. 323 pts, p<0.04) and no change in pts >37yo in 2020 (p=0.9). Relationship status did not differ between years (16% partnered, 76% single, 8% unknown in 2019 vs. 16% partnered, 73% single, 11% unknown in 2020; p=0.6). Fewer patients in 2020 had insurance coverage (16% vs. 24%, p<0.001). AMH was higher in 2020 (2.3 vs. 2.1, p<0.03), but days of stimulation, oocytes retrieved, oocytes frozen, total gonadotropins, and maximum estradiol (E2) were not different (Table). While national SARS-CoV-2 cases peaked in April, July, and November 2020, monthly POC cycles at our center did not decrease with surges in SARS-CoV-2 after our center reopened in May (p=0.24). In 2020 there were 23 cycles cancelled, none due a positive SARS-CoV-2 test.
CONCLUSION(S): POC volume increased at our center in 2020, especially in young patients, despite center closures and SARS-CoV-2 surges. IMPACT STATEMENT: More young people pursued POC despite the SARS-CoV-2 pandemic. Further research is needed to understand POC pt motivations and experiences during a pandemic. (Table Presented)
EMBASE:638129262
ISSN: 1556-5653
CID: 5250952

EGG FREEZING UNSCRAMBLED: AUTOLOGOUS OOCYTE (AO) THAW OUTCOMES FROM OVER 500 PATIENTS (PTS) AT A LARGE ACADEMIC FERTILITY CENTER (FC) [Meeting Abstract]

Cascante, S D; Blakemore, J K; DeVore, S; Parra, C M; Hodes-Wertz, B; McCaffrey, C; Grifo, J A
OBJECTIVE: AO cryopreservation (cryo) is widely used, but published thaw data is scarce. We reviewed our elective AO thaws. MATERIALS AND METHODS: Pts who thawed AOs at our FC in 2004- 2020 were reviewed. Pts were excluded if AO cryo was performed for a medical reason, as research, due to no sperm or a natural disaster, with embryo cryo or for use with a gestational carrier. Outcomes included implantation (IR), spontaneous abortion (SABR) and ongoing pregnancy + live birth (LBR) rates / embryo transfer (ET). We calculated a final LBR (FLBR) defined as LBR / pt; FLBR only included pts who a) had live birth (LB) or ongoing pregnancy (OP), or b) consumed all AOs and resultant embryos. Statistics included Mann-Whitney U and Fisher's exact test.
RESULT(S): 543 pts (median age at 1st cryo 38y) underwent 800 cryos (89% our FC, 9% elsewhere, 2% both), 605 thaws and 416 ETs. Cryo used vitrification for 72%, slow freezing for 4% and both for 24% of pts. Median time from 1st cryo to 1st thaw was 4y. In total, we thawed 8511 AOs (7492 M2s). AO survival was 79%, M2 survival was 80% and 2PN fertilization was 66%. When pts returned for thaw, 25% pursued fresh ET, 73% pursued preimplantation genetic testing (PGT), and 2% pursued a combination of both. In pts who pursued fresh ET, 92% had >=1 embryo for ET. In pts who pursued PGT, 57% had >=1 euploid. 13% of pts had no useable embryos (embryos for fresh ET, PGT, cryo). 59% of pts had >=1 ET. 37% of ETs were fresh, with 2% using rush-PGT. 63% of ETs were frozen, with 97% using PGT. In non-biopsied ETs, IR was 29%, SABR was 19% and LBR was 31%. In euploid ETs, IR was 64%, SABR was 10% and LBR was 55%. In our cohort, FLBR was 38%. In total, 178 babies (11 twin, 1 triplet) and 24 OPs resulted. 176 pts have >=1 LB or OP, and 23 pts have >=2 LBs or OPs from AO thaw. 33% of pts have remaining AOs or euploid or untested embryos; 45% of these pts do not have a LB or OP from AO thaw. See table for outcomes by age.
CONCLUSION(S): AO thaw leads to a FLBR of 38%, comparable to our FC's 34% LBR per intended retrieval in pts of similar age1 . IMPACT STATEMENT: Our real thaw data may be more useful than models in pt counseling
EMBASE:638129103
ISSN: 1556-5653
CID: 5250982

Planned oocyte cryopreservation-10-15-year follow-up: return rates and cycle outcomes

Blakemore, Jennifer K; Grifo, James A; DeVore, Shannon M; Hodes-Wertz, Brooke; Berkeley, Alan S
OBJECTIVE:To evaluate the outcomes of planned oocyte cryopreservation patients most likely to have a final disposition. DESIGN/METHODS:Retrospective cohort study of all patients who underwent at least 1 cycle of planned oocyte cryopreservation between Jan 2005 and December 2009. SETTING/METHODS:Large urban University-affiliated fertility center PATIENT(S): All patients who underwent ≥1 cycle of planned oocyte cryopreservation in the study period. INTERVENTION(S)/METHODS:None MAIN OUTCOME MEASURE(S): Primary outcome was the disposition of oocytes at 10-15 years. Secondary outcomes included thaw/warming types, laboratory outcomes, and live birth rates. Outcomes and variables treated per patient. RESULT(S)/RESULTS:A total of 231 patients with 280 cycles were included. The mean age at the first retrieval was 38.2 years (range 23-45). A total of 3,250 oocytes were retrieved, with an average of 10 metaphase II frozen/retrieval. To date, the oocytes of 88 patients (38.1%) have been thawed/warmed, 109 (47.2%) remain in storage, 27 (11.7%) have been discarded, and 7 (3.0%) have been transported elsewhere. The return rate (patients who thawed/warmed oocytes) was similar by Society for Assisted Reproductive Technology age group. The mean age of patients discarding oocytes was 47.4 years (range, 40-57). Of the 88 patients who thawed/warmed oocytes, the mean age at the time of thaw/warming was 43.9 years (range, 38-50) with a mean of 5.9 years frozen (range, 1-12). Nine patients (10.2%) thawed/warmed for secondary infertility. A total of 62.5% of patients created embryos with a partner, and 37.5% used donor sperm. On average, 14.3 oocytes were thawed/warmed per patient, with 74.2% survival (range, 0%-100%) and a mean fertilization rate of 68.8% of surviving oocytes. Of 88 patients, 39 (44.3%) planned a fresh embryo transfer (ET); 36 of 39 patients had at least 1 embryo for fresh ET, and 11 had a total of 14 infants. Forty-nine of 88 patients (55.7%) planned for preimplantation genetic testing for aneuploidy, with a mean of 4.2 embryos biopsied (range, 0-14) and a euploidy rate of 28.9%. Of the 49 patients, 17 (34.7%) had all aneuploidy or no embryos biopsied. Twenty-four patients underwent a total of 36 single euploid ET with 18 live births from 16 patients. Notably, 8 PGT-A patients had a euploid embryo but no ET, affecting the future cumulative pregnancy rate. Overall, 80 patients with thaw/warming embryos had a final outcome. Of these, 20 had nothing for ET (arrested/aneuploid), and of the 60 who had ≥1 ET, 27 had a total of 32 infants, with a live birth rate of 33.8% (27/80). CONCLUSION(S)/CONCLUSIONS:We report the final outcomes of patients most likely to have returned, which is useful for patient counseling: a utilization rate of 38.1% and a no-use rate of 58.9%, similar across age groups. Further studies with larger cohorts as well as epidemiologic comparisons to patients currently cryopreserving are needed.
PMID: 33712289
ISSN: 1556-5653
CID: 4817192

Access to infertility care in a low-resource setting: bridging the gap through resident and fellow education in a New York City public hospital

Blakemore, Jennifer K; Maxwell, Susan M; Hodes-Wertz, Brooke; Goldman, Kara N
PURPOSE/OBJECTIVE:Improving access to care is an issue at the forefront of reproductive medicine. We sought to describe how one academic center, set in the background of a large and diverse metropolitan city, cares for patients with extremely limited access to reproductive specialists. METHODS:The NYU Reproductive Endocrinology and Infertility (REI) Fellowship program provides a "fellow-run clinic" within Manhattan's Bellevue Hospital Center, which is led by the REI fellows and supervised by the REI attendings of the NYU Langone Health system. A description of the history of the hospital as well as the logistics of the fertility clinic is provided as a logistical template for implementation. RESULTS:The fellow-run fertility clinic at Bellevue hospital is held on two half days per month seeing approximately 150 new patients per year. The fertility workup, counseling, surgery, as well as ovulation induction, and early pregnancy management are offered within the construct of the fellowship and residency at NYU. Barriers to care and ways to circumvent those barriers are discussed in detail. CONCLUSION/CONCLUSIONS:By utilizing the ambition and construct of the OB/GYN programs, we greatly improve care for an otherwise underserved patient population by offering an efficient and optimal infertility workup and treatment in a population that would otherwise be without care. We utilize the framework of graduate medical education to provide autonomy, experience, and mentorship to both residents and fellows in our programs in an effort to provide a solution to combating inequity in infertility care.
PMID: 32409983
ISSN: 1573-7330
CID: 4431622

THE EFFECT OF MATERNAL AGE ON CHROMOSOMAL MOSAICISM: AN ANALYSIS BY CHROMOSOME TYPE AND MOSAIC RESULT. [Meeting Abstract]

Reich, Jenna; Blakemore, Jennifer K.; Besser, Andria G.; Hodes-Wertz, Brooke; Grifo, James A.
ISI:000579355301291
ISSN: 0015-0282
CID: 4685372

AN ANALYSIS OF THE EFFECT OF MATERNAL AND PATERNAL AGE ON CHROMOSOMAL MOSAICISM. [Meeting Abstract]

Reich, Jenna; Blakemore, Jennifer K.; Besser, Andria; Hodes-Wertz, Brooke; Grifo, James A.
ISI:000582706800037
ISSN: 0015-0282
CID: 4677712

PLANNED OOCYTE CYROPRESERVATION-10-15 YEAR FOLLOW-UP: RETURN RATES AND CYCLE OUTCOMES. [Meeting Abstract]

Blakemore, Jennifer K.; Grifo, James A.; Devore, Shannon; Hodes-Wertz, Brooke; Berkeley, Alan S.
ISI:000579355300201
ISSN: 0015-0282
CID: 4685162