Preservation and health · ViaFERT
Fertility preservation before cancer treatment: questions for your medical team
A diagnosis can bring many decisions at once. Your health is the priority, and questions about your future also deserve a place in the conversation.
The short answer
Some cancer treatments can affect fertility. If having biological children in the future matters to you, request an early conversation with oncology and a fertility specialist. Options and timing depend on the diagnosis and medical plan. Do not delay or stop cancer treatment on your own to pursue preservation.
Start by asking whether treatment could affect your fertility
The effect depends on the cancer, the medicines or procedures planned, the area treated and your previous reproductive health. Your oncology team should explain the risk associated with your plan.
If you want to explore options, ask about an early fertility assessment. Coordination allows the teams to discuss what is feasible before treatment starts, without assuming everyone has the same amount of time.
Sources: National Cancer Institute · Female fertility and cancer · National Cancer Institute · Male fertility and cancer
Options that may be discussed
Egg or embryo preservation
For some people, stimulation and egg retrieval may be considered to freeze eggs or to fertilize them and store embryos. Suitability and safety must be reviewed with oncology according to the diagnosis.
Read about the differences between egg and embryo freezing. Timing and suitability still require coordination with oncology.
Semen preservation
Sperm freezing may be considered before treatment that affects sperm production. Assessment determines which collection approach is possible and what can be stored.
Other strategies exist for particular circumstances and require assessment at a center with appropriate expertise. Not every option is suitable or available for every person.
Sources: National Cancer Institute · Female fertility and cancer · National Cancer Institute · Male fertility and cancer
Records that help the teams coordinate
- Your diagnosis and available reports.
- The proposed treatment and expected start date.
- Contact details for your oncology team.
- Current medicines and relevant medical history.
- Previous reproductive assessments, if available.
Ask the specialists to share the necessary information with your permission. You do not have to be the only person responsible for relaying every medical detail.
Timing, costs and storage: practical questions
Request an individual timeline: which assessment is needed, how long an option would take and who confirms compatibility with cancer treatment. An estimated date should not become a reason to change cancer treatment independently.
Beyond the initial procedure, ask about medication, tests, storage and future use. ViaFERT publishes general preservation prices; a cancer-related situation requires a specific assessment and quote. If you live abroad, coordination with your treating team comes before travel planning.
Sources: National Cancer Institute · Female fertility and cancer · ViaFERT · Treatment prices
A decision may also involve recognizing limits
Preservation aims to maintain possibilities, not ensure pregnancy. In some circumstances, an option may not be feasible or clinical priorities may require other treatment to begin.
You can ask for alternatives to be explained, request psychological support and use the time available to express what matters to you. How a difficult decision is supported is part of the quality of care.
Frequently asked questions
When should I ask about fertility preservation?
Ideally before starting treatment that could affect fertility. Ask your oncology team early whether a fertility referral is appropriate.
Can I delay chemotherapy to freeze eggs?
Do not decide this independently. Oncology and fertility specialists must review whether an option is compatible with your diagnosis and the clinically available time.
Does preservation guarantee a pregnancy after cancer?
No. It preserves a possibility for future use. Outcomes and the suitability of a later pregnancy require individual medical assessment.
What if my treatment has already started?
Tell your treating team and fertility specialist. Options must be assessed using your current history; do not stop medication to attempt preservation without medical advice.
Sources and further reading
International clinical resources and commercial information from ViaFERT. Rules in other countries do not replace those applicable in Mexico.
- National Cancer Institute · Female fertility and cancer
- National Cancer Institute · Male fertility and cancer
- ViaFERT · Treatment prices
Medical review confirmed
Reviewed and updated by Dr. Miguel de Jesús López Rioja · .
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