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1.
J Assist Reprod Genet ; 40(6): 1369-1376, 2023 Jun.
Article in English | MEDLINE | ID: covidwho-2327989

ABSTRACT

PURPOSE: To evaluate patient satisfaction using telehealth for fertility care. METHODS: Cross-sectional survey using the validated telehealth usability questionnaire (TUQ) distributed nationally via fertility advocacy groups of fertility patients aged ≥ 18 years with self-reported use of telehealth for care. Patient satisfaction of telehealth for fertility care as determined by the TUQ questionnaire. The survey also included questions about telehealth related to usefulness, ease of use, effectiveness, reliability, and the option for patients to add open-ended comments related to their experiences using telehealth for fertility care. RESULTS: A total of 81 fertility patients completed the survey. Patients reported high rates of satisfaction (81.4%) with telehealth in areas of usefulness, ease of use, effectiveness, reliability, and satisfaction. However, many patients (60.5%) expressed a preference for in-person visits for their initial visit while the acceptability of telehealth increased for follow-up visits. Negative themes from respondent comments address that telehealth visits felt more impersonal and rushed. CONCLUSION: Fertility patients reported high satisfaction using telehealth for care. Patients still preferred in-person visits for initial consultations. For follow-up visits, most respondents favored telehealth or had no preference. Incorporation of telehealth in fertility practices should continue though it may be helpful for patients to be given options for visit types.


Subject(s)
Fertility Preservation , Telemedicine , Humans , Cross-Sectional Studies , Reproducibility of Results , Fertility
2.
Int J Mol Sci ; 24(5)2023 Feb 28.
Article in English | MEDLINE | ID: covidwho-2283410

ABSTRACT

Cryopreservation is an expanding strategy to allow not only fertility preservation for individuals who need such procedures because of gonadotoxic treatments, active duty in dangerous occupations or social reasons and gamete donation for couples where conception is denied, but also for animal breeding and preservation of endangered animal species. Despite the improvement in semen cryopreservation techniques and the worldwide expansion of semen banks, damage to spermatozoa and the consequent impairment of its functions still remain unsolved problems, conditioning the choice of the technique in assisted reproduction procedures. Although many studies have attempted to find solutions to limit sperm damage following cryopreservation and identify possible markers of damage susceptibility, active research in this field is still required in order to optimize the process. Here, we review the available evidence regarding structural, molecular and functional damage occurring in cryopreserved human spermatozoa and the possible strategies to prevent it and optimize the procedures. Finally, we review the results on assisted reproduction technique (ARTs) outcomes following the use of cryopreserved spermatozoa.


Subject(s)
Fertility Preservation , Semen Preservation , Animals , Humans , Male , Semen , Semen Preservation/methods , Spermatozoa , Cryopreservation/methods , Fertility Preservation/methods , Sperm Motility
3.
Acta Obstet Gynecol Scand ; 102(6): 760-773, 2023 06.
Article in English | MEDLINE | ID: covidwho-2273355

ABSTRACT

INTRODUCTION: This study aims to assess the motivations and treatment experiences of women undergoing social egg freezing and to understand the impact of the Covid-19 pandemic. MATERIAL AND METHODS: Between January 2011 to December 2021, 191 social egg freezing patients were recruited from the Lister Fertility Clinic, London UK. Participants completed a validated questionnaire investigating patients' perspectives of social egg freezing. A response rate of 46.6% was achieved. RESULTS: In all, 93.9% of women expressed concern regarding age-related fertility decline which influenced their decision to undergo social egg freezing. The majority (89.5%) of women were not in a relationship at the time of social egg freezing and considered this a motivating factor. Also, 39.0% of participants had side effects related to treatment which affected work and social life. Participants were significantly more likely to experience side effects if they underwent multiple egg freezing cycles (χ2 , p < 0.01) or if they cryopreserved oocytes during the COVID-19 pandemic (χ2 , p < 0.05). Of the women, 64.0% wished to have cryopreserved oocytes at a younger age, a view significantly more likely if older than 37 years at first social egg freezing cycle (χ2 , p < 0.001). Also, 82.3% of women reported their decision to undergo social egg freezing was not delayed due to concerns regarding COVID-19 exposure during treatment; 44.1% considered the pandemic made them more willing to undergo social egg freezing. CONCLUSIONS: Most participants did not regret their decision to undergo social egg freezing but the majority wished they had cryopreserved oocytes at a younger age. This highlights the importance of early education to optimize outcomes and patient choice. The egg freezing process can be stressful, women may have concerns around social egg freezing and unprecedented situations such as the COVID-19 pandemic may alter treatment experience.


Subject(s)
COVID-19 , Fertility Preservation , Female , Humans , Motivation , Pandemics , COVID-19/epidemiology , Cryopreservation , Oocytes
4.
Reprod Biomed Online ; 45(5): 987-994, 2022 11.
Article in English | MEDLINE | ID: covidwho-1991244

ABSTRACT

RESEARCH QUESTION: Do elective oocyte cryopreservation outcomes in women 1-13 months after SARS-CoV-2 vaccination alter compared with unvaccinated women and do different time intervals between vaccination and ovarian stimulation impact these outcomes? DESIGN: This retrospective cohort study, conducted in a university-affiliated IVF centre, included 232 elective oocyte cryopreservation cycles of vaccinated and unvaccinated patients, without previous infection with the SARS-CoV-2 virus, between December 2020 and January 2022. Two control groups - pre-pandemic (January 2019 to February 2020) and intra-pandemic (December 2020 to January 2022) unvaccinated groups - were compared with the vaccinated group, further divided into four subgroups (under 3, 3-6, 6-9 and 9-13 months). The primary outcome was the elective oocyte cryopreservation cycle outcomes - number of retrieved and number of mature oocytes. RESULTS: The vaccinated group demonstrated comparable outcomes with regards to number of retrieved and mature oocytes compared with the pre-pandemic and intra-pandemic unvaccinated groups (12.6 ± 8.0 versus 13.0 ± 8.2 and 12.5 ± 7.4 retrieved and 10.1 ± 6.9 versus 9.5 ± 6.4 and 10.1 ± 6.3 mature oocytes, respectively; not significant for both). Similar results were noted in a comparison between the intra-pandemic unvaccinated group and the four vaccinated subgroups. No correlation was found between the parameter of days from vaccination and cycle outcomes. Similarly, analysis of covariance showed no association between vaccination status and timing and number of mature oocytes. CONCLUSIONS: The SARS-CoV-2 vaccination does not alter the outcomes of elective oocyte cryopreservation procedures. This is true even in a relatively long time interval of 9 to 13 months from vaccination.


Subject(s)
COVID-19 , Fertility Preservation , Female , Humans , Oocyte Retrieval/methods , Fertility Preservation/methods , SARS-CoV-2 , BNT162 Vaccine , Retrospective Studies , COVID-19 Vaccines , COVID-19/prevention & control , Cryopreservation/methods , Oocytes , Vaccination , RNA, Messenger
5.
J Assist Reprod Genet ; 39(5): 1143-1153, 2022 May.
Article in English | MEDLINE | ID: covidwho-1864431

ABSTRACT

PURPOSE: Characterize outcomes among adolescents and young adults (AYAs) with sex chromosome disorders (SCDs) after oocyte cryopreservation (OC) consultation. METHODS: Retrospective case series of all AYA (< 25 years) patients with SCDs seen for OC consultation from 2011 to 2019 at a large, urban, academic fertility center. All AYA patients with an SCD seen for OC consult in the study time period were reviewed and included. Data collected included patient age, SCD type, number of patients who attempted OC, number of cycles attempted, and cycle outcomes. RESULTS: Twenty-two patients were included: 9 with Turner syndrome, 12 with mosaic Turner syndrome, and 1 with 47,XXX. Mean age at consult was 14.7 ± 3.5 years. Fourteen patients elected for OC: 5 with Turner syndrome, 8 with mosaic Turner syndrome, and 1 47,XXX who pursued 31 OC cycles total. Of those 14 patients, 10 underwent retrieval, 9 froze oocytes, and 8 froze mature (MII) oocytes. Seven patients underwent > 1 cycle and 7 had ≥ 1 cancelation. 3/3 patients who pursued cycles after 1st cancelation never got to retrieval. Age, SCD type, and baseline FSH did not predict ability to freeze MIIs. One patient returned after OC and attempted 4 ovulation induction cycles and 2 IVF cycles; all were canceled for low response. CONCLUSIONS: AYA patients with SCDs have a high risk of poor response and cycle cancelation but the majority froze MIIs. Thus, setting expectations is important. A larger sample size is needed to evaluate possible clinical predictors of success.


Subject(s)
Fertility Preservation , Turner Syndrome , Adolescent , Chromosomes, Human, X , Cryopreservation , Female , Humans , Male , Oocyte Retrieval , Oocytes , Retrospective Studies , Sex Chromosome Aberrations , Sex Chromosome Disorders of Sex Development , Trisomy , Turner Syndrome/genetics
6.
Clin Oncol (R Coll Radiol) ; 34(8): 508-513, 2022 08.
Article in English | MEDLINE | ID: covidwho-1814269

ABSTRACT

Advances in cancer treatment with resultant dramatic improvements in long-term survival have led to increasing awareness of the wide range of medical and social issues faced by survivors of malignancy. The potential deleterious effects on fertility are a significant worry of women and trans gender men, and the rising trend in delaying childbearing and the higher proportion of patients who have not completed their family at the time of diagnosis increases the demand for an optimised fertility-preservation service. Fertility preservation for this group following a diagnosis of cancer is a rapidly expanding area of reproductive medicine, although provision for such treatment often varies by region. In the past, there were few treatment options, but with dramatic improvements in oocyte cryopreservation and, more recently, ovarian tissue cryopreservation, this area of fertility care has broadened substantially. This review will be exploring areas that apply to all cisgender women, but not necessarily all trans men and non-binary individuals. There are specific considerations in fertility preservation for trans people, which are beyond the scope of this paper. All individuals with female reproductive organs should be offered the opportunity to discuss fertility preservation prior to starting potential gonadotoxic treatment. Failure to do this may negatively influence their anticancer treatment choices and adherence to treatment regimens. There are currently few networks streamlined around offering this service and as demand for these treatment options increases, it is recognised that these complex patients require specialist management within recognised care pathways. Here we are looking to describe some of the unique challenges associated with providing a state-of-the-art service, particularly in a financially unpredictable climate in the midst of the COVID-19 pandemic.


Subject(s)
COVID-19 , Fertility Preservation , Neoplasms , Cryopreservation , Female , Humans , Neoplasms/complications , Neoplasms/therapy , Pandemics
7.
J Gynecol Obstet Hum Reprod ; 51(4): 102346, 2022 Apr.
Article in English | MEDLINE | ID: covidwho-1707805

ABSTRACT

BACKGROUND: To study the repercussions of the COVID-19 pandemic for fertility preservation activities in France. BASIC PROCEDURES: A questionnaire was sent to all the fertility preservation centres, requesting, for fertility preservation techniques (gamete and gonadal tissue preservation), the number of patients managed before, during and after the lockdown, and the number of patients who were not able to have access to these techniques and thus suffered definitive losses of fertility, during the lockdown period in spring 2020. MAIN FINDINGS: Fertility preservation activities in France did not cease entirely during the lockdown, but a 42.6% decrease in activity was observed. After lockdown, the levels of sperm, testicular and ovarian tissue cryopreservation returned to pre-lockdown levels (95.2%). The restoration of activity was partial only for oocyte freezing, which reached a level 56.8% that before lockdown. In total, 45 patients (8.35%) lost all chance of fertility preservation during the lockdown period. PRINCIPAL CONCLUSIONS: In France, fertility preservation activities were significantly affected by the lockdown in spring 2020 linked to the COVID-19 pandemic.


Subject(s)
COVID-19 , Fertility Preservation , COVID-19/epidemiology , COVID-19/prevention & control , Communicable Disease Control , Female , Fertility Preservation/methods , France/epidemiology , Humans , Pandemics/prevention & control , Surveys and Questionnaires
8.
J Psychosom Obstet Gynaecol ; 43(2): 198-204, 2022 06.
Article in English | MEDLINE | ID: covidwho-1565790

ABSTRACT

BACKGROUND: Assessment of psychological reactions to delays in fertility treatment have often utilized single clinic samples during the time that fertility treatments were paused. We, therefore, assessed emotional reactions to treatment cancelations due to COVID-19 in infertility patients across the United States after treatments had begun to resume. STUDY DESIGN: Cross-sectional survey emailed on 27 May 2020 and closed on 30 June 2020, to 53,600 FertilityIQ.com website users inquiring about their experience since the COVID-19 pandemic. A subset of FertilityIQ users (n = 13,490) opened the survey invitation and 1806 respondents participated in the survey (13.4% response rate). RESULTS: The majority of respondents (female, 67.4%; male, 61.7%) were 31-40 years old; most were planning to start treatment immediately (women, 42.6%; men, 44.7%) or were undergoing treatment (women, 34.9%; men, 29.8%) at the time of treatment cancelation. Patients (women, 21.1%; men 19.1%) or clinics (women, 57.7%; men, 40.4%) canceled treatment. Most clinics had resumed treatment at the time of the study (women, 90.0%; men, 73.7%). Cancelation resulted in sadness (women, 83.9%; men 86.7%) and anger (women, 45.4%; men, 36.7%); greater than half of the participants whose treatment was canceled (women: 66.8%, n = 630; men: 73.7%, n = 14) agreed with cancelations. Greater than 70% of respondents were at least somewhat concerned about reproductive chances (women, 84.7%; men, 72.4%) and exclusion of partners (women, 73.3%; men, 72.4%). Distress/concern was associated with clinic cancelation, disagreement with delays, age, diagnosis, and concern about delays and pregnancy chances (p <.05). CONCLUSIONS: Respondents were distressed/concerned about the effect of the pandemic on their fertility. Distress was highest in women with a poorer fertility prognosis, no control over treatment cancelation, and high concern about the effect of treatment delay on pregnancy chances. Emotional support, education regarding treatment delay and fertility, and efforts where possible, to include patients in decisions to delay treatment are warranted in future treatment delays.


Subject(s)
COVID-19 , Fertility Preservation , Infertility , Adult , Cross-Sectional Studies , Female , Humans , Infertility/psychology , Infertility/therapy , Male , Pandemics , Pregnancy , United States/epidemiology
9.
Biol Reprod ; 105(4): 808-821, 2021 10 11.
Article in English | MEDLINE | ID: covidwho-1470126

ABSTRACT

The outbreak of the coronavirus disease 2019 (COVID-19) has created havoc on the socio-economic aspect of the world. With billions of lives being affected by this wrecking pandemic, global fertility services were also not left untouched by its impact. The possibility of sexual transmission of SARS-CoV-2 virus, its impact on male and female fertility, pregnancy, its potential teratogenic effect, and handling of gametes in the clinical laboratories were major concerns among reproductive medicine specialists, which led down all the reproductive health services, including IUI, IVF/ICSI in most of the countries. Even the people did not intend to conceive during the pandemic crisis and were hesitant to avail such services. Discrete evidence regarding the pathophysiology of COVID-19 infection and its impact on the human reproductive system is not very clear. In this review article, we intend to incorporate all the evidence related to the COVID-19 infection and its impact on human reproduction available to date. It is our responsibility to provide rightful information and to keep our patients familiar with the existing lack of clear evidence. In this COVID-19 era, it is important that the fertility management be prioritized in sub-fertile couples with diminished fertility reserve and high-risk conditions, like malignancies, that may affect their long-term fertility prospects.


Subject(s)
COVID-19/complications , Genitalia , Infertility/etiology , Pandemics , Reproductive Medicine/trends , Reproductive Physiological Phenomena , Reproductive Techniques, Assisted/trends , Animals , Female , Fertility Preservation , Humans , Infertility/therapy , Male , Pregnancy
10.
JCO Oncol Pract ; 18(3): e403-e411, 2022 Mar.
Article in English | MEDLINE | ID: covidwho-1440963

ABSTRACT

PURPOSE: Oncofertility counseling regarding the reproductive risks associated with cancer therapy is essential for quality cancer care. We aimed to increase the rate of oncofertility counseling for patients of reproductive age (18-40 years) with cancer who were initiating systemic therapy at the Johns Hopkins Cancer Center from a baseline rate of 37% (25 of 68, June 2019-January 2020) to 70% by February 2021. METHODS: We formed an interprofessional, multidisciplinary team as part of the ASCO Quality Training Program. We obtained data from the electronic medical record and verified data with patients by phone. We surveyed patients, oncologists, and fertility specialists to identify barriers. After considering a prioritization matrix, we implemented Plan-Do-Study-Act (PDSA) cycles. RESULTS: We identified the following improvement opportunities: (1) oncologist self-reported lack of knowledge about counseling and local fertility preservation options and (2) lack of a standardized referral mechanism to fertility services. During the first PDSA cycle (February 2020-August 2020, disrupted by COVID-19), we introduced the initiative to increase oncofertility counseling at faculty meetings. From September 2020 to November 2020, we implemented a second PDSA cycle: (1) educating and presenting the initiative at Oncology Grand Rounds, (2) distributing informative pamphlets to oncologists and patients, and (3) implementing an electronic medical record order set. In the third PDSA cycle (December 2020-February 2021), we redesigned the order set to add information (eg, contact information for fertility coordinator) to the patient after-visit summary. Postimplementation (September 2020-February 2021), counseling rates increased from 37% to 81% (38 of 47). CONCLUSION: We demonstrate how a trainee-led, patient-centered initiative improved oncofertility care. Ongoing work focuses on ensuring sustainability and assessing the quality of counseling.


Subject(s)
COVID-19 , Fertility Preservation , Neoplasms , Adolescent , Adult , Counseling , Humans , Neoplasms/complications , Neoplasms/therapy , Quality Improvement , SARS-CoV-2 , Young Adult
11.
Hum Fertil (Camb) ; 24(1): 46-69, 2021 Feb.
Article in English | MEDLINE | ID: covidwho-1254216
13.
Mol Reprod Dev ; 88(3): 211-216, 2021 03.
Article in English | MEDLINE | ID: covidwho-1098909

ABSTRACT

An outbreak of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is leading to an unprecedented worldwide health crisis. SARS-CoV-2 cell entry depends on ACE2 and TMPRSS2. Our objectives are to analysis the expression profile of ACE2 and TMPRSS2 in human spermatogenic cells, follicle cells, and preimplantation embryos, thereby providing mechanistic insights into viral entry and viral impact on reproduction. We found that ACE2 is mainly expressed during gametogenesis in spermatogonia and oocytes of antral follicles, granulosa cells of antral follicles and pre-ovulatory follicles, while TMPRSS2 almost has no expression in spermatogenic cells, oocytes or granulosa cells. In preimplantation embryos, ACE2 is expressed in early embryos before eight-cell stage, and trophectoderm of late blastocysts, while TMPRSS2 initiates its robust expression in late blastocyst stage. ACE2 and TMPRSS2 only show significant co-expression in trophectoderm of late blastocysts in all above cell types. We speculate that trophectoderm of late blastocysts is susceptible to SARS-CoV-2, and that the chance of SARS-CoV-2 being passed on to offspring through gametes is very low. Therefore, we propose that fertility preservation for COVID-19 patients is relatively safe and rational. We also recommend embryo cryopreservation and embryo transfer into healthy recipient mother at cleavage stage instead of blastocyst stage. Moreover, we unexpectedly found that co-expression pattern of ACE2 and TMPRSS2 in oocytes and preimplantation embryos in human, rhesus monkey and mouse are totally different, so animal models have significant limitations for evaluating transmission risk of SARS-CoV-2 in reproduction.


Subject(s)
Angiotensin-Converting Enzyme 2/biosynthesis , Blastocyst/metabolism , Granulosa Cells/metabolism , Oocytes/metabolism , Serine Endopeptidases/biosynthesis , Spermatogonia/metabolism , Animals , COVID-19/pathology , Databases, Genetic , Embryo Transfer/methods , Female , Fertility Preservation/methods , Gene Expression Profiling , Humans , Macaca mulatta , Male , Mice , Reproductive Techniques, Assisted , SARS-CoV-2/growth & development , Transcriptome/genetics , Virus Internalization
14.
J Endocrinol Invest ; 43(8): 1153-1157, 2020 Aug.
Article in English | MEDLINE | ID: covidwho-973722

ABSTRACT

PURPOSE: The recent pandemic of severe acute respiratory syndrome (SARS) due to coronavirus (CoV) 2 (SARS-CoV-2) has raised several concerns in reproductive medicine. The aim of this review is to summarize available evidence providing an official position statement of the Italian Society of Andrology and Sexual Medicine (SIAMS) METHODS: A comprehensive Pubmed, Web of Science, Embase, Medline and Cochrane library search was performed. Due to the limited evidence and the lack of studies, it was not possible to formulate recommendations according to the Oxford 2011 Levels of Evidence criteria. RESULTS: Several molecular characteristics of the SARS-CoV-2 can justify the presence of virus within the testis and possible alterations of spermatogenesis and endocrine function. Orchitis has been reported as a possible complication of SARS-CoV infection, but similar findings have not been reported for SARS-CoV-2. Alternatively, the orchitis could be the result of a vasculitis as COVID-19 has been associated with abnormalities in coagulation and the segmental vascularization of the testis could account for an orchitis-like syndrome. Finally, available data do not support the presence of SARS-CoV-2 in plasma seminal fluid of infected subjects. CONCLUSION: Data derived from other SARS-CoV infections suggest that in patients recovered from COVID-19, especially for those in reproductive age, andrological consultation and evaluation of gonadal function including semen analysis should be suggested. Studies in larger cohorts of currently infected subjects are warranted to confirm (or exclude) the presence of risks for male gametes that are destined either for cryopreservation in liquid nitrogen or for assisted reproduction techniques.


Subject(s)
Andrology/standards , Betacoronavirus , Coronavirus Infections/epidemiology , Cryopreservation/standards , Fertility Preservation/standards , Pneumonia, Viral/epidemiology , Spermatozoa/physiology , Andrology/trends , COVID-19 , Coronavirus Infections/therapy , Cryopreservation/trends , Fertility Preservation/trends , Humans , Italy/epidemiology , Male , Pandemics , Pneumonia, Viral/therapy , SARS-CoV-2 , Semen Analysis/standards , Semen Analysis/trends , Sexual Health/standards , Societies, Medical/standards
15.
J Assist Reprod Genet ; 37(7): 1567-1577, 2020 Jul.
Article in English | MEDLINE | ID: covidwho-617321

ABSTRACT

PURPOSE: The state of limited resource settings that Coronavirus (COVID-19) pandemic has created globally should be taken seriously into account especially in healthcare sector. In oncofertility, patients should receive their fertility preservation treatments urgently even in limited resource settings before initiation of anticancer therapy. Therefore, it is very crucial to learn more about oncofertility practice in limited resource settings such as in developing countries that suffer often from shortage of healthcare services provided to young patients with cancer. METHODS: As an extrapolation during the global crisis of COVID-19 pandemic, we surveyed oncofertility centers from 14 developing countries (Egypt, Tunisia, Brazil, Peru, Panama, Mexico, Colombia, Guatemala, Argentina, Chile, Nigeria, South Africa, Saudi Arabia, and India). Survey questionnaire included questions on the availability and degree of utilization of fertility preservation options in case of childhood cancer, breast cancer, and blood cancer. RESULTS: All surveyed centers responded to all questions. Responses and their calculated oncofertility scores showed different domestic standards for oncofertility practice in case of childhood cancer, breast cancer, and blood cancer in the developing countries under limited resource settings. CONCLUSIONS: Medical practice in limited resource settings has become a critical topic especially after the global crisis of COVID-19 pandemic. Understanding the resources necessary to provide oncofertility treatments is important until the current COVID-19 pandemic resolves. Lessons learned will be valuable to future potential worldwide disruptions due to infectious diseases or other global crises.


Subject(s)
Betacoronavirus/pathogenicity , Coronavirus Infections/prevention & control , Delivery of Health Care/standards , Fertility Preservation/methods , Neoplasms/therapy , Pandemics/prevention & control , Pneumonia, Viral/prevention & control , Betacoronavirus/isolation & purification , COVID-19 , Coronavirus Infections/transmission , Coronavirus Infections/virology , Delivery of Health Care/economics , Developing Countries , Female , Fertility Preservation/economics , Fertility Preservation/statistics & numerical data , Humans , Neoplasms/virology , Pneumonia, Viral/transmission , Pneumonia, Viral/virology , SARS-CoV-2 , Surveys and Questionnaires
16.
Reprod Biomed Online ; 41(6): 991-997, 2020 Dec.
Article in English | MEDLINE | ID: covidwho-759281

ABSTRACT

Reopening fertility care services across the world in the midst of a pandemic brings with it numerous concerns that need immediate addressing, such as the impact of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on the male and female reproductive cells and the plausible risk of cross-contamination and transmission. Due to the novelty of the disease the literature contains few reports confirming an association of SARS-CoV-2 with reproductive tissues, gametes and embryos. Cryobanking, an essential service in fertility preservation, carries the risk of cross-contamination through cryogenic medium and thus calls for risk-mitigation strategies. This review aims to address the available literature on the presence of SARS-CoV-2 on tissues, gametes and embryos, with special reference to the possible sources of cross-contamination through liquid nitrogen. Strategies for risk mitigation have been extrapolated from reports dealing with other viruses to the current global crisis, for safety in fertility treatment services in general, and specifically for oncofertility.


Subject(s)
COVID-19/epidemiology , Cryopreservation , Equipment Contamination/prevention & control , Fertility Preservation , Germ Cells , Pandemics , Cryopreservation/standards , Female , Fertility Preservation/methods , Fertility Preservation/standards , Humans , Infection Control/methods , Infection Control/organization & administration , Infection Control/standards , Male , SARS-CoV-2/physiology
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