Overview
At Ishwa IVF, samples are tested, frozen and stored in our own laboratory.
When sperm freezing is useful
- Before cancer treatment: chemotherapy and radiotherapy can damage sperm production, so freezing should be done before treatment starts
- Before surgery that may affect fertility, or before a vasectomy
- Before IVF, when the male partner may not be available or may find it hard to give a sample on the day
- After surgical sperm retrieval, so the sperm can be used in later cycles
- Low or falling sperm counts, to keep a reserve
How it works
- A short consultation and blood tests for infections, which are required before storage
- A semen sample given at the clinic after 2 to 7 days without ejaculation
- Analysis and freezing in small straws or vials in liquid nitrogen
- Storage, with your written consent for how long and how the sperm may be used
Several samples may be stored if the count is low. When the sperm are needed, they are thawed and used in IUI, IVF or, most often, ICSI.
Questions about sperm freezing
How long can sperm be frozen?
Frozen sperm remains usable for many years. Storage is renewed periodically, and Indian law sets rules on storage periods and consent.
Does freezing damage sperm?
Some sperm do not survive thawing, and motility is usually lower after thawing. That is why ICSI is often used with frozen sperm.
How quickly can sperm be frozen before cancer treatment?
Usually within a day or two. Contact us as soon as treatment is planned, so freezing can be done before it starts.
Do I need to give more than one sample?
If the count is low, or if several future treatments are planned, storing more than one sample is often advised.
