Understanding Fertility Preservation: Options and Benefits

Medically reviewed by Dr. Baraa Alnahhal, MD · Last reviewed: October 2026

Quick Answer: What is fertility preservation?

Fertility preservation is the process of saving reproductive cells or tissues for conceiving a biological child later, typically by freezing eggs, sperm or embryos (cryopreservation). [3] It is often recommended before chemotherapy, radiation or surgery that could damage reproductive organs. [3] It is also an option for people who wish to delay parenthood for personal or professional reasons. [3]

What the research says

• Live birth rates differ by technique, and the techniques cannot be directly compared. A meta-analysis of 34 studies of female cancer survivors found live birth rates of 41% after cryopreserved embryos and 32% after vitrified oocytes, and 21% (after IVF) and 33% (spontaneous) after ovarian tissue transplantation; the authors noted that the heterogeneity of the literature prevents a direct comparison of the three techniques (PubMed: Fraison et al., Hum Reprod, 2023 [1]).

• Pregnancies after ovarian tissue transplantation were mostly uncomplicated, but preeclampsia was more common. A systematic review of 58 studies covering 122 women and 162 deliveries reported a preterm birth rate of 9.4% and preeclampsia in 9.4% of women; on low-certainty evidence, perinatal complication rates did not increase compared with the general pregnant population except for preeclampsia (PubMed: Erden et al., Am J Obstet Gynecol, 2024 [2]).

Understanding Fertility Preservation

Fertility preservation serves as a proactive bridge for individuals who wish to maintain their biological reproductive potential. Whether driven by medical necessity or personal life planning, these procedures allow for the storage of genetic material until the individual is ready to pursue pregnancy. The primary goal is to minimize the impact of aging or medical treatments on reproductive tissues. [3]

Category	Primary Methods	Key Considerations
Women	Egg freezing, embryo freezing, ovarian tissue freezing [3]	Requires hormone stimulation or laparoscopic surgery [3]
Men	Sperm freezing, testicular tissue freezing, radiation shielding [3]	Noninvasive collection or specialized extraction [3]
Children	Tissue freezing, radiation shielding [3]	Options vary based on whether the child has reached puberty [3]

Figure 1: Fertility preservation options for women, men and children.

Options for Women

Women have several sophisticated options for preserving fertility, ranging from non-surgical hormone-based methods to surgical tissue preservation. The choice often depends on the urgency of medical treatment and the patient’s age.

• Egg and Embryo Freezing: This process typically begins with approximately 10 days of hormone injections to stimulate the ovaries. [3] Once the eggs are mature, they are retrieved using an ultrasound-guided needle under light sedation. [3] These eggs can be frozen immediately or fertilized with sperm to create embryos before storage. [3]

• Ovarian and Uterine Transposition: For patients undergoing pelvic radiation, surgeons can temporarily move the ovaries or uterus higher into the abdomen, away from the radiation field. [3] This helps protect the organs from damage during cancer treatment.

• Ovarian Tissue Freezing: This is an alternative for patients who cannot wait for hormone stimulation. [3] A portion of the ovary is removed laparoscopically and frozen. [3] The tissue can later be reimplanted to restore hormonal function and fertility. [3]

Options for Men and Children

Fertility preservation for men is generally straightforward, though specialized techniques exist for complex cases. For children, the focus is on protecting future potential before puberty.

• Sperm Freezing: The most common method involves providing a semen sample for cryopreservation. [3] For those unable to provide a sample naturally, providers may use vibratory stimulation or electroejaculation under anesthesia. [3]

• Testicular Tissue Freezing: In cases where no sperm is present in the semen, surgeons can extract tissue directly from the testicles to find and freeze viable sperm cells. [3]

• Radiation Shielding: During cancer treatments, lead shields can be used to protect the reproductive organs from unnecessary radiation exposure. [3]

Figure 2: The egg and embryo preservation process, from ovarian stimulation to long-term freezing.

Future Use and Considerations

When an individual is ready to use their preserved material, the frozen specimens are carefully thawed in a laboratory setting. [3] If eggs or sperm were stored, they are fertilized to create embryos, which are then implanted into the uterus or a gestational carrier. [3]

While highly effective, fertility preservation does carry certain risks, including potential infection or bleeding during retrieval procedures. [3] Additionally, the use of stored embryos through IVF can increase the likelihood of multiple births or premature delivery. [3] It is essential to discuss these factors with a healthcare provider to determine the best approach for individual needs.

Figure 3: Fertility preservation protects the option of building a family in the future.

Conclusion and Next Steps

Fertility preservation offers a powerful way to safeguard your future family-building options against medical challenges or the natural effects of aging. By understanding the available techniques, you can make informed decisions about your reproductive health. If you are facing a medical diagnosis or planning to delay parenthood, consult with a fertility specialist to explore the preservation path that is right for you.

Further reading: Cleveland Clinic — Fertility Preservation

Frequently Asked Questions

1. What is fertility preservation?

Fertility preservation is the process of saving eggs, sperm, or reproductive tissues so that an individual can have a biological child in the future. [3]

2. Why is fertility preservation done?

Fertility preservation is done for medical reasons, such as before cancer treatments that might harm fertility, or for personal reasons like wanting to delay having children. [3]

3. How are eggs retrieved for freezing?

Eggs are retrieved using a needle guided by ultrasound through the vagina while the patient is under light sedation. [3]

4. What is the difference between egg and embryo freezing?

Egg freezing stores unfertilized eggs, while embryo freezing involves fertilizing the eggs with sperm before storage. [3]

5. Can children preserve their fertility?

Yes, children can use methods like tissue freezing, radiation shielding, and organ transposition to protect their future fertility. [3]

6. Is the sperm freezing process painful?

Sperm freezing is typically a noninvasive and painless process involving the collection of a semen sample.

7. What are the risks of fertility preservation?

Risks include minor bleeding or infection during retrieval, and potential complications like multiple births if using stored embryos for IVF later. [3]

8. How long can reproductive material stay frozen?

Eggs, sperm, and embryos can remain cryopreserved for many years without significant loss of viability.

9. What is ovarian transposition?

Ovarian transposition is a surgical procedure where the ovaries are moved out of the radiation field to protect them during cancer treatment. [3]

10. Can I use a surrogate with preserved embryos?

Yes, preserved embryos can be implanted into a gestational carrier if the individual is unable to carry a pregnancy. [3]

Related Reading

Ovarian Reserve Testing: AMH, FSH and Antral Follicle Count explains the AMH, FSH and follicle count tests that estimate egg supply.

References

1. Fraison E, Huberlant S, Labrune E, et al. Live birth rate after female fertility preservation for cancer or haematopoietic stem cell transplantation: a systematic review and meta-analysis of the three main techniques; embryo, oocyte and ovarian tissue cryopreservation. Hum Reprod. 2023;38(3):489-502. doi:10.1093/humrep/deac249. PMID: 36421038.

2. Erden M, Uyanik E, Demeestere I, Oktay KH. Perinatal outcomes of pregnancies following autologous cryopreserved ovarian tissue transplantation: a systematic review with pooled analysis. Am J Obstet Gynecol. 2024;231(5):480-489. doi:10.1016/j.ajog.2024.04.012. PMID: 38621483.

3. Cleveland Clinic. Fertility preservation. Cleveland Clinic Health Library. Medically reviewed; last updated February 10, 2026. https://my.clevelandclinic.org/health/treatments/17000-fertility-preservation

Medical Disclaimer

This article is for informational purposes only and does not constitute medical advice. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read here.