Egg freezing before chemotherapy

Egg freezing collects and stores a woman's eggs before cancer treatment, so they can be used later to try for a pregnancy. Normally the ovaries release one egg a month. For egg freezing, daily hormone injections are used for around two weeks to encourage several eggs to mature at once. During this time, ultrasound scans and blood tests monitor how the eggs are developing. When they are ready, a final trigger injection is given, and the eggs are collected in a short procedure under sedation, using a fine needle passed through the vaginal wall with ultrasound guidance. Mature eggs are then frozen by a rapid freezing method and stored. Many clinics can now start stimulation at any point in the menstrual cycle, which reduces waiting time for cancer patients.

Egg freezing is a well-established option, particularly for women who are not in a relationship or who prefer not to create embryos. It does, however, take around two weeks, occasionally a little longer, and it is expensive, with costs for hormone medicines, monitoring, the collection procedure, freezing and yearly storage. Health insurance in India rarely covers it. The short delay is safe for many cancers but not all, and for some hormone-sensitive breast cancers, special stimulation methods are used to keep hormone levels lower. The number of eggs collected depends largely on age and ovarian reserve, and not every egg will survive thawing or lead to a pregnancy. Being honest about both the time and the cost helps women and families make a realistic decision quickly, with the oncology and fertility teams working together.

Age matters

Younger women usually produce more and better-quality eggs, improving future chances.

Stimulation can begin quickly

Many clinics start hormone injections within days of the first consultation.

It suits single women

Egg freezing does not require a partner and avoids consent issues around embryos.

It cannot tell you whether egg freezing is safe to do before your treatment, or how many eggs you will get. That depends on your cancer, how urgently treatment must start, your age and ovarian reserve. Your oncologist and fertility specialist decide together.

It also cannot give success rates. The chance of a future pregnancy depends on age at freezing, the number of mature eggs, egg survival after thawing and later IVF. Ask the clinic for information relevant to you.

Hormone-sensitive cancers

For some breast cancers, stimulation protocols are adjusted to limit oestrogen exposure.

Cost planning

Ask for a written estimate including medicines, procedures and storage. Some centres offer support.

Family discussions

In many families, egg freezing decisions involve parents or partners. Clear information helps.

Low counts and bleeding

If blood counts are already low, collection may carry extra risks. Your teams will assess this.

Embryos as an alternative

Married couples may consider embryo freezing, which has different consent requirements.

After treatment

Some women conceive naturally after treatment; frozen eggs remain a backup.

Storage and consent

Keep storage and consent documents safe and update the clinic about changes.

Emotional support

Egg freezing alongside a cancer diagnosis is demanding. Counselling can help.

What stimulation feels like

During the stimulation phase, many women notice bloating, tender breasts, mild tummy discomfort and mood changes as the ovaries enlarge. Most women continue normal daily activities, although heavy exercise is usually avoided. The daily injections are given with fine needles, often at home after a nurse has shown how. Monitoring visits for scans and blood tests may be needed every few days, which can be demanding alongside cancer appointments, so it helps to plan travel and support in advance.

How many cycles make sense

Doctors sometimes discuss whether one stimulation cycle is enough. The number of eggs that can be collected in one cycle depends mainly on age and ovarian reserve. Where cancer treatment allows a little more time, a second cycle may be suggested to increase the number frozen, but for most women about to start chemotherapy only one cycle is possible. It is worth asking what a reasonable goal would be for you and whether embryo freezing, if you have a partner, might make better use of the eggs collected.

After egg collection

Most women go home the same day after egg collection. Mild cramping, spotting and bloating are common for a few days, and simple pain relief agreed with your team usually helps. Rest for the remainder of the day. The clinic will tell you how many eggs were collected and how many were mature enough to freeze, usually within a day. Chemotherapy can often begin soon afterwards, once your oncologist and fertility specialist agree that you have recovered enough. If blood counts are low or there is a risk of bleeding, the teams will plan the timing carefully.

Hormone-sensitive cancers and stimulation

For women with hormone-sensitive breast cancer, stimulation can raise oestrogen levels temporarily. To limit this, fertility specialists often add a medicine that lowers oestrogen during stimulation. Studies have not shown that this approach, when carefully managed, worsens breast cancer outcomes, and it is now widely used. Your oncologist and fertility specialist will discuss whether it is suitable for you.

What to do next

Ask your oncologist whether a short delay is safe, request an urgent fertility referral, get a written cost estimate, discuss the decision with family, start stimulation promptly if agreed, and report any warning signs during the process straight away.