Training activity information
Details
Perform sperm cryopreservation and thawing; and compare pre-freeze and post-thaw parameters, including antegrade and retrograde samples
Type
Entrustable training activity (ETA)
Evidence requirements
Evidence the activity has been undertaken by the trainee repeatedly, consistently, and effectively over time, in a range of situations. This may include occasions where the trainee has not successfully achieved the outcome of the activity themselves. For example, because it was not appropriate to undertake the task in the circumstances or the trainees recognised their own limitations and sought help or advice to ensure the activity reached an appropriate conclusion.
Reflection at multiple timepoints on the trainee learning journey for this activity.
Considerations
- Cryopreservation method selection
- Implications of cryopreservation on viability and quality
- Time course for handling of samples
- In-house SOPs
- Aseptic technique
- Use of media
- Troubleshooting
- Witnessing requirements
- Patient consent for training and storage
- Viral screening requirements
- HFEA regulations and guidelines
- Record keeping and traceability
- Health and safety
- Infection control
Reflective practice guidance
The guidance below is provided to support reflection at different time points, providing you with questions to aid you to reflect for this training activity. They are provided for guidance and should not be considered as a mandatory checklist. Trainees should not be expected to provide answers to each of the guidance questions listed.
Before action
- What are the expected outcomes for successful sperm cryopreservation and thawing, including achieving optimal post-thaw parameters and accurately appraising the impact of cryopreservation on viability?
- How will you ensure that you perform this activity within the regulatory HFEA framework and demonstrate safe and effective practice, minimising risk to samples and staff?
- What do you already know about the scientific principles of sperm cryopreservation, thawing, cryoprotectants, and the physiological changes gametes undergo during these processes?
- What possible challenges might you face with different sample types (e.g., antegrade vs. retrograde), maintaining temperature control, or assessing subtle changes in parameters, and how might you handle them?
- Recognise the scope of your own practice for this activity: when would you need to seek advice or help, for example, with unusual sample quality or unexpected post-thaw results?
- How do you feel about embarking on this training activity, given its technical precision and impact on patient treatment?
- What specific practical skills in semen and sperm processing for cryopreservation and thawing techniques do you want to develop or refine?
- What specific insights do you hope to gain regarding the nuances of pre-freeze and post-thaw parameter comparison, especially for diverse sample qualities?
- Consult actions identified following previous experiences with laboratory procedures or cryopreservation-related tasks.
- Identify important information you need to consider before embarking, such as specific laboratory protocols, equipment validation details, or HFEA guidelines on cryopreservation methods.
In action
- During the activity, is anything unexpected occurring? For example, does the sample behave differently than expected during freezing or thawing, is there an unforeseen equipment issue, or do the parameters deviate significantly from what you anticipate?
- How do you react to the unexpected development? Do you adjust your technique or troubleshoot in the moment? Does it affect your ability to perform the activity accurately and independently?
- What is the immediate conclusion or outcome? What do you learn in that moment about the cryopreservation or thawing process, or about comparing parameters under unexpected circumstances?
On action
- Summarise the key steps you performed during the sperm cryopreservation and thawing process, and the comparison of pre-freeze and post-thaw parameters.
- Describe specific events, actions, or interactions that felt important, such as deviations in expected parameters or equipment behaviour, and your own feelings during the activity.
- Include any ‘reflect-in-action’ moments where you adjusted your technique or troubleshoot issues as they arose during freezing or thawing.
- Identify what learning you can take from this experience regarding performing sperm cryopreservation, thawing, and comparing parameters within regulatory frameworks.
- What strengths did you demonstrate in performing the practical aspects or interpreting the results?
- Were there any skill or knowledge gaps evident, particularly regarding the scientific principles or the impact of cryopreservation on viability
- Compare this experience against previous laboratory work; has your practice improved, especially in handling unexpected sample behaviours or equipment issues?
- Identify any challenges you experienced (e.g., unexpected sample quality, technical difficulties) and how you reacted to them.
- Did you need to seek advice or clarification on any aspect of the process or interpretation?
- What will you do differently next time you perform cryopreservation and thawing?
- Has anything changed in terms of how you would approach parameter comparison, especially with unexpected results?
- Do you need to practise any aspect of this activity further, such as specific cryopreservation techniques or troubleshooting equipment?
Beyond action
- How has your understanding of the scientific principles and practical nuances of sperm cryopreservation and thawing developed through repeated practice and exposure to different sample types (e.g., antegrade, retrograde)?
- What insights have you gained into the impact of cryopreservation on sperm viability and the factors influencing pre-freeze and post-thaw parameters, based on your accumulated experience and analysis of results over time?
- How do you ensure your practice in cryopreservation continually improves to optimise outcomes for patients, leveraging all past experiences and new learning to refine your methodology?
Relevant learning outcomes
| # | Outcome |
|---|---|
| # 1 |
Outcome
Perform sperm preparation for use in treatment within the regulatory HFEA framework. |
| # 2 |
Outcome
Perform sperm cryopreservation, thawing and warming within the regulatory HFEA framework. |
| # 5 |
Outcome
Appraise the impact of cryopreservation on viability of gametes and embryos. |
| # 7 |
Outcome
Practice in accordance with quality management and regulatory standards. |
| # 8 |
Outcome
Demonstrate safe and effective practice, minimising risk to all staff and patients. |