Collab Fertility

Collab Fertility Build the family you want, with a team you trust. Comprehensive, evidence-based fertility care for your unique journey. https://www.collabfertility.com/events

We are a new fertility clinic with a state-of-the-art IVF lab in Walnut Creek, CA. We believe that everyone has a right to evidence-based fertility care. Our dedicated team is here to guide and support you in making the most informed decisions for your family building journey, while prioritizing your physical and emotional well-being. We welcome and celebrate all kinds of family structures. Our fertility services include: same-day fertility testing, IUI, IVf, egg and embryo freezing, s***m and egg donor, and gestational carrier services. Our experienced physicians, expert embryologists, and skilled nurses are here to compassionately guide you through your fertility journey.

Some updates stop us in our tracks and remind us why we created Collab Fertility. “I just hit 18 weeks, and the baby is ...
12/30/2025

Some updates stop us in our tracks and remind us why we created Collab Fertility.

“I just hit 18 weeks, and the baby is growing and healthy. The baby was waving its little arm.”

After a long and deeply personal fertility journey, Suzy is now 18 weeks pregnant with a healthy baby, and we are so honored to share this moment with her permission.

At 42, Suzy came to Collab Fertility after years of infertility. Her partner was diagnosed with a Y chromosome microdeletion in the AZFc region. Through advanced care, including microTESE with our urology partners and ICSI, healthy s***m were successfully retrieved, and eggs were fertilized, resulting in viable embryos.

It took two embryo transfers. Between the first and second, Suzy made a deep commitment to lifestyle and nutrition changes while working closely with our in-house nutritionist. Her hemoglobin A1c improved, her body was better supported, and on the second transfer, she conceived.

This is what individualized, collaborative fertility care looks like.
Advanced science. Lifestyle support. Persistence. Hope.

We are so grateful to walk alongside patients like Suzy and to celebrate moments like this together.






Experiencing recurrent pregnancy loss can feel devastating, confusing, and isolating. Many people wonder if something is...
12/27/2025

Experiencing recurrent pregnancy loss can feel devastating, confusing, and isolating. Many people wonder if something is wrong with their body or if there is anything that can actually help prevent another loss.

At Collab Fertility, we support patients navigating recurrent miscarriage with compassionate, evidence-based care that looks at the whole picture. Through comprehensive testing and personalized treatment, our team can identify a likely cause in about 50 percent of cases. Even when a clear cause is not found, many patients go on to have healthy pregnancies with the right support.

In our latest blog post, we break down:

• What recurrent pregnancy loss is and how common it really is
• Possible causes include genetic, uterine, autoimmune, hormonal, and lifestyle factors
• How age and chromosomal changes can impact miscarriage risk
• When IVF and genetic testing may be helpful
• When it is time to seek evaluation, and what testing may look like

Led by Dr. Thalia Segal, our team takes the time to understand your story and guide you forward with clarity, care, and confidence.

If you have experienced multiple losses, please know this is not your fault, and you deserve answers and support.

We are proud to share that Dr. Thalia Segal has been selected to serve on the ACOG District IX Committee on State Legisl...
12/26/2025

We are proud to share that Dr. Thalia Segal has been selected to serve on the ACOG District IX Committee on State Legislation.

As a reproductive endocrinologist and long-standing advocate for women’s health, Dr. Thalia has spent the past decade advancing research, education, and advocacy around the reproductive impacts of endocrine-disrupting chemicals and environmental toxins.

From founding evidence-based, integrative care models to supporting funded research on plastic and pesticide exposure in fertility care, her work has consistently focused on one goal: translating science into meaningful action that protects patients, families, and future generations.

This appointment reflects a commitment to shaping evidence-based policy that addresses environmental exposures many communities face every day, often without awareness or adequate protection.

We are honored to see her expertise contribute to ACOG’s mission of improving women’s health through advocacy, education, and legislative leadership.



If seeing family photos, pregnancy announcements, or growing bellies feels painful right now, please know there is nothi...
12/24/2025

If seeing family photos, pregnancy announcements, or growing bellies feels painful right now, please know there is nothing wrong with you. The holidays can amplify grief, longing, and quiet heartbreak when you are holding hope for a baby that has not arrived yet.

Your journey matters. Your grief is valid. And your strength may not always look like joy or optimism. Sometimes it looks like getting through the day, protecting your heart, and continuing to believe in yourself even when the path feels heavy.

At Collab Fertility, we see you. We honor the courage it takes to keep going. We are here to support you with compassionate care, trusted expertise, and a team that truly understands the emotional weight of this season.
You are not behind. You are not broken. And you are not alone.

When you are ready, we are here to walk beside you and help you take empowered steps toward growing your family.

Sending you gentleness, strength, and deep compassion this holiday season. 🤍

Research shows that everyday chemicals in plastics, pesticides, and personal care products can disrupt hormones, lower f...
12/23/2025

Research shows that everyday chemicals in plastics, pesticides, and personal care products can disrupt hormones, lower fertility, and even affect the health of future generations.

At Collab Fertility, we help you take charge of what you can control. Through The Collab Way, every patient receives expert, evidence-based guidance on reducing harmful exposures and creating a healthier home and lifestyle, starting from day one of treatment, and always at no extra cost.

Your fertility health matters — for you and for the family you’re building.

As we head into the holidays, we wanted to share our adjusted hours for the coming weeks so you can plan ahead.Collab Fe...
12/23/2025

As we head into the holidays, we wanted to share our adjusted hours for the coming weeks so you can plan ahead.

Collab Fertility will be closed or have modified hours on the following dates:

Wednesday, 12/24: Closing at 12 PM
Thursday, 12/25: Closed
Friday, 12/26: Closed
Wednesday, 12/31: Closing at 12 PM
Thursday, 1/1: Closed
Friday, 1/2: Closed

If you have upcoming appointments, medication needs, or questions, please don’t hesitate to reach out ahead of time. We’re here to support you and appreciate you planning with us during the holiday season.

If you have an emergency, there is an on call provider available and can be reached through our main line.

Email us: hello@collabfertility.com

Call us: (925) 270-2992

Warmly,

The Collab Fertility Team

Excellence in fertility care is built behind the scenes in safety standards, clinical leadership, and the people who sho...
12/22/2025

Excellence in fertility care is built behind the scenes in safety standards, clinical leadership, and the people who show up for patients every single day.

We are proud to share that Collab Fertility is officially QUAD A Accredited (Outpatient Class C), a nationally recognized distinction that reflects the highest standards in patient safety, clinical protocols, and quality of care.

This milestone would not be possible without the leadership of Anna Lopez, RN, CN III, our Perioperative Nurse Manager.

With 36 years of nursing experience, Anna brings deep expertise in reproductive medicine, perioperative care, and compassionate leadership. Her work ensures that every procedure, from egg retrievals to hysteroscopy and surgical s***m extraction, is carried out with precision, dignity, and individualized care.

Anna previously served as Clinical Nurse Manager at UCSF Mission Bay Center for Reproductive Health, where she helped build the program from the ground up and launched initiatives to expand fertility access for underserved families. That mission continues at Collab today.

Accreditations matter. Leadership matters more. Patients are always at the center.








Happy birthday to Dr. Thalia Segal!From the care she gives each patient, to the guidance and inspiration she offers our ...
12/20/2025

Happy birthday to Dr. Thalia Segal!

From the care she gives each patient, to the guidance and inspiration she offers our team, to the community she built with intention and integrity, we’re incredibly thankful to work alongside her.

Two women. One dream. And a journey filled with love, courage, and the unwavering hope of becoming moms.This couple spen...
12/19/2025

Two women. One dream. And a journey filled with love, courage, and the unwavering hope of becoming moms.

This couple spent years imagining their future family — the tiny socks, the bedtime routines, the extra place at the table. When they chose IUI at Collab Fertility, that dream finally began taking shape.

One year later, they welcomed their son, a little boy who turned their house into a home, filled their days with joy, and made every step of the journey worth it.

Read their beautiful story on the Collab Journal.

Baby dust. Faith. Trust.Last Friday, one of our patients and her husband took another hopeful step with an embryo transf...
12/15/2025

Baby dust. Faith. Trust.

Last Friday, one of our patients and her husband took another hopeful step with an embryo transfer. After years of trying and experiencing both hope and loss, we know how vulnerable this moment can feel. We are holding space for them with care as they wait for what comes next.

With SB 729 taking effect in early 2026, many patients are wondering whether to start treatment now or wait for expanded...
12/12/2025

With SB 729 taking effect in early 2026, many patients are wondering whether to start treatment now or wait for expanded coverage.

A few things to consider:

• Insurance approvals can require multiple steps
• Testing and prep often span several weeks
• Age and ovarian reserve may influence your ideal timeline

If you’d like to talk through what’s best for your individual goals, our team is here to support you with clarity and compassion.

Learn more about SB729 in our blog: https://www.collabfertility.com/collab-fertility-journal/sb-729-effective-date-january-1-2026

Address

2700 Ygnacio Valley Road, Suite 170
Walnut Creek, CA
94598

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm

Telephone

+19252702992

Website

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