Fertility preservation

Fertility Preservation

Women and men may choose to preserve their fertility for various reasons, allowing them to decide when to start their dream family.

Dr. Sonja B. Kristiansen and her knowledgeable team offer fertility preservation services to help patients plan for the future.

Why should you consider our state-of-the-art facility in Houston, TX?

Plan for Your Future with Fertility Preservation

For hopeful mothers, fathers, and couples, fertility preservation opens up a world of possibilities, giving patients control of when to have a child. Preservation allows patients to use young, viable eggs or sperm for conception, or freeze embryos, reducing the risk for complications later on.

For those who have diseases, disorders, or other medical conditions that could negatively affect their fertility, preservation can be life-changing. Our fertility center offers services to patients from greater Houston and visitors from out of town.

Helping Patients Just Like You

Dr. Kristiansen discusses how fertility preservation can help women balance their lifestyles with their goal of starting a family.

Who Can Benefit from Fertility Preservation?

Healthy Women

Women who want to get pregnant in the future may choose to freeze their eggs. Fertility decreases with age, but preservation keeps the option open for patients who may be unsure of their timeline, giving them access to healthy eggs at any time.

Cancer Patients

Cancer treatments such as chemotherapy or radiation can damage ovarian function and sperm, affecting your reproductive health. We'll help you understand your options before undergoing cancer treatment and create a plan together.

Medical Conditions

Medical conditions such as endometriosis, uterine fibroids, or treatment for autoimmune diseases can affect fertility and ovarian function. Certain genetic diseases are also linked to potential infertility.

Exposure to Toxic Chemicals

Environmental toxins such as pesticides, heavy metals, and chemicals can contribute to infertility. Toxins can cause eggs to prematurely age, and contribute to hormone imbalances or low-quality sperm.

Why Choose Us?

You have a choice when it comes to your reproductive future. Whether you're a cancer patient, single woman, or hopeful couple, Dr. Kristiansen can help you plan ahead. When you visit our facility, you're met with a warm and compassionate team to walk you through the process. We'll lay out a clear plan, answer any questions you have, and serve as an advocate throughout the process. Schedule a consultation online to learn more, or call our office serving greater Houston at:

(713) 225-5375

Dr. Kristiansen with couple

"Dr. Kristiansen and Staff Were Always So Kind and Attentive" Reviews From Our Houston, TX Patients


Laura H


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My husband and I had a great experience here. Our first visit was relaxed and informative. Another place we tried was very pushy and “salesy”, like they were selling me a car. Dr. Kristiansen and staff were always so kind and attentive. When we had difficulty, they were caring and very helpful. Accommodating to our unique schedule and informative whenever we had questions, no matter how silly. I recommend this place to anyone having difficulties. Thank you HFC for helping us conceive our TWINS!!

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Jackee Lowery


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Dr. Kristiansen and her staff are amazing! If I could give more stars, I would. For my first appointment, I went by myself and Dr. Kristiansen was so warmly, and non judgmental on every question I’ve asked her. Every visit since then, my fiancé have gone with me and everytime, the staff would hold conversations with us and answer any and every question we’ve had. All of her staff is lovely and amazing, but there’s two women I have to give credit to. Mayra and the phlebotomist. I don’t remember her name and I’m so sorry lol but those two ladies are heaven sent and I’m glad Dr. Kristiansen hired them. Her treatment plans work fast and she’s very affordable. I’m glad I’ve found her. Thank you❤️

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We Offer Egg Freezing and More

 Our fertility preservation options allow you to plan your future on your terms.

What Are My Preservation Options?

Here at Houston Fertility Center, we offer a range of preservation options to choose from. We conduct an in-depth evaluation to determine which treatment is best for you based on your individual needs. Our facility does not offer preservation via ovarian tissue. Preservation of ovarian tissue involves removing a part of the ovary from the body and freezing it for later use.

Egg Freezing

This process involves the freezing, or cryopreservation, of unfertilized eggs. Women take injectable hormone medication to stimulate their ovaries and produce multiple eggs. After approximately ten days, the eggs are carefully retrieved and stored.

Sperm Freezing

Male patients who wish to preserve their fertility can provide a semen sample, which is then sorted, frozen, and stored for future use. This option can be used in combination with egg freezing, allowing egg and sperm to join when conception is desired.

Embryo Freezing

This process uses in vitro fertilization (IVF). The ovaries are stimulated to promote egg production, and a sperm sample is collected. The eggs and sperm are fertilized in a lab to form one or more embryos, which are then frozen and stored. 

Frequently Asked Questions

How long can you freeze eggs, sperm, and embryos? 

Research has indicated that properly stored eggs, sperm, or embryos can remain viable for as long as 55 years. 

How much does fertility preservation cost?

The cost of fertility preservation can vary depending on the preservation method you or you and your partner are using. Houston Fertility Center offers financing options to allow you to pay in monthly installments. 

At what age can you no longer freeze eggs?

The age when the body stops producing eggs will differ from person to person. However, studies show that fertility rapidly declines after the age of 30. If you know you want to delay having kids until your 30s or 40s, consider freezing your eggs.

At what age should I freeze my eggs? 

Knowing when your egg production begins to decline, it's a good idea to freeze your eggs in your 20s. However, many women successfully freeze viable eggs in their early 30s.

Will freezing my eggs affect my natural fertility?

Not at all. Freezing your eggs will not affect your ovarian reserve or harm your chances of becoming pregnant naturally if you eventually choose to try.

How does cancer treatment affect my reproductive wellness?

Cancer treatment can cause your ovaries to stop releasing eggs and estrogen. Similarly, cancer treatment can harm sperm production in men. That's why it's a good idea to freeze your eggs before cancer treatment. 

More 5-Star Reviews From Houston, TX, Patients


Miriam Nuno


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Gracias a la doctora Kristiansen y al fabuloso equipo que tiene, mi esposo y yo hemos realizado nuestro sueño de ser padres mediante IVF. Gracias a ellos nos hemos convertido en padres de dos mellizos, niño y niña. No podriamos haber elegido un sitio mejor para llevar a cabo nuestro sueño. Trato inmejorable, contestan a cada una de las preguntas y dudas que puedas tener y te ayudan en todo. Gracias, gracias y gracias!!!!!!

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Kyran Colbert


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Mayra! Thank you for being there through this journey! Thank you for listening! Thank you for every encouraging word! Thank you for answering every phone call and email! Thank you for holding my hand through this journey! 

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Dr. Sonja Kristiansen

Houston Fertility Center

Dr. Sonja Kristiansen is the founder and Medical Director of Houston Fertility Center. She is a board-certified Reproductive Endocrinologist Infertility (REI) specialist who is proud to help hopeful parents fulfill their dreams of having children. Our center is affiliated with the:

  • American College of Obstetricians and Gynecologists
  • American Society for Reproductive Medicine
  • Texas Medical Association

We provide convenient care for patients from greater Houston and visitors from out of town. For more information about our services, contact our office online or call (713) 225-5375 today.

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Houston Office

9055 Katy Fwy
Ste 450
Houston, TX 77024

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