'%20d='m0%200%2016%2011h61%2061%2061%2061%2060L47%2037h61%2061%2060%2061L16%2063h61%2061%2061%2061%2060L47%2089h61%2061%2060%2061L16%20115h61%2061%2061%2061%2060L47%20141h61%2061%2060%2061L16%20166h61%2061%2061%2061%2060L47%20192h61%2061%2060%2061L16%20218h61%2061%2061%2061%2060z'/%3e%3c/svg%3e)
About
Dr. Harry Hatasaka is a reproductive endocrinology and infertility (REI) specialist at California IVF Fertility Center. He is board-certified by the American Board of Obstetrics and Gynecology and holds a faculty appointment at the UC Davis School of Medicine.
Dr. Hatasaka participates in the center’s academic collaboration with UC Davis Health System, applying the latest reproductive science research to clinical practice. California IVF has partnered with UC Davis since 2011, with physicians holding university faculty appointments and participating in resident and medical student teaching.
As one of three REI specialists at the center, Dr. Hatasaka has developed particular expertise in female infertility and the systematic evaluation of recurrent pregnancy loss, working closely with the embryology laboratory team to deliver evidence-based, individualized treatment plans.
Clinical Expertise
- IVF (In Vitro Fertilization): Individualized full-cycle management from ovarian stimulation to embryo transfer, leveraging the center’s 98.5% frozen embryo transfer advantage.
- Recurrent Pregnancy Loss Management: Systematic evaluation of chromosomal, endocrine, immunologic, and uterine factors in patients with repeated pregnancy loss.
- Female Infertility Care: Evaluation and treatment of ovulation disorders, PCOS, endometriosis, and diminished ovarian reserve.
- Ovulation Induction & Follicular Monitoring: Individualized oral or injectable gonadotropin protocols with ultrasound and hormone monitoring to optimize ovulation timing.
- IUI & Frozen Embryo Transfer: Stepped treatment options tailored to different infertility etiologies.
Why Choose Dr. Hatasaka
Board-Certified REI Specialist: Dr. Hatasaka holds ABOG certification in reproductive endocrinology and infertility, meeting the highest U.S. clinical standards.
UC Davis Faculty Appointment: As part of the UC Davis academic collaboration, he applies the latest reproductive endocrinology research to patient care.
Female Infertility Expertise: Systematic evaluation of ovulation disorders and endocrine infertility helps patients identify their diagnosis and treatment path efficiently.
Recurrent Pregnancy Loss Focus: Comprehensive diagnostic evaluation and treatment planning for families who have experienced repeated pregnancy loss, supporting the goal of a successful live birth.
Professional Affiliations
Dr. Hatasaka is board-certified by the American Board of Obstetrics and Gynecology (ABOG) in Reproductive Endocrinology and Infertility and is a member of ASRM and ACOG. He holds a UC Davis School of Medicine faculty appointment, participating in the center’s academic collaboration with the University of California, Davis health system.
Suitable For
Women with infertility: Systematic evaluation and treatment of female factors including ovulation disorders, PCOS, and endometriosis.
Patients with recurrent pregnancy loss: Comprehensive investigation of the causes of repeated pregnancy loss with targeted treatment and conception planning.
Women needing comprehensive fertility evaluation: Ovarian reserve assessment, hormone testing, and uterine cavity evaluation services.
Patients with ovulation disorders and endocrine infertility: Individualized ovulation induction and endocrine management to improve natural conception or assisted reproduction success.