Talking about fertility: ask before treatment starts
Some chemotherapy, radiotherapy and transplants can affect the chance of having children in future. It is important to talk about this before treatment begins, because some options are only possible then.

01Short answer
02Simple explanation
Ask early.
Preservation options.
A specialist referral.
During treatment: prevent pregnancy.
03Scientific explanation
NCI: cancer treatment can affect male and female fertility; preservation options should be discussed before treatment.
NCI: chemotherapy can lower neutrophils, platelets and red cells, which raises the risk of infection, bleeding and fatigue.
04What happens in the body?
Gonadotoxicity
Some medicines affect the ovaries and testes.
Time window
Some methods must be done before treatment starts.
Neutrophils
The first defence against infection; when they are low, hygiene matters most.
Platelets
Help blood clot; when they are low, protect yourself from injury.
05Daily protection: four steps
Wash, protect, check, report.







06Key points at a glance
| Topic | In brief |
|---|---|
Gonadotoxicity | Some medicines affect the ovaries and testes. |
Time window | Some methods must be done before treatment starts. |
Neutrophils | The first defence against infection; when they are low, hygiene matters most. |
Platelets | Help blood clot; when they are low, protect yourself from injury. |
07Key terms
- Fertility
- The ability to have children.
- Cryopreservation
- Storing cells or tissue frozen.
- ANC
- Absolute neutrophil count.
- Thrombocytopenia
- A low platelet count.
08Key points
- Ask.
- Choose.
- Get support.
- Wash your hands.
- 38 °C: call.
09Frequently asked questions
Can I have children after treatment?
Many people can; your team assesses your chances individually.
Treatment has already started.
Ask anyway; there are later options and tests.
What should I watch every day?
Temperature, bleeding, tiredness and the catheter site; tell your team about any change.
10Questions for your doctor
Take these questions to your appointment. The ones you save are collected on the “My questions” page and stay on this device only.
Can I have children after treatment?
Treatment has already started.
What should I watch every day?
12Sources
- National Cancer Institute. Female Fertility and Cancer
- National Cancer Institute. Male Fertility and Cancer
- National Cancer Institute. Infection and Neutropenia during Cancer Treatment
- National Cancer Institute. Bleeding and Bruising (Thrombocytopenia) and Cancer Treatment
- National Cancer Institute. Anemia and Cancer Treatment
- World Health Organization. World Hand Hygiene Day
- Macmillan Cancer Support. Infection
- Centers for Disease Control and Prevention (CDC). Preventing Infections in Cancer Patients
- American Cancer Society. Preventing Infections in People with Cancer
- National Cancer Institute (NCI). Depression (PDQ) – Patient Version
Gonadotoxicity
Time window
Neutrophils
Platelets