About Dr. Sun Xiaoxi
Dr. Sun Xiaoxi (孙晓溪) is a Professor, Doctoral Supervisor, and one of China's leading reproductive medicine specialists, based at the Department of Assisted Reproduction, Renji Hospital, Shanghai Jiao Tong University School of Medicine. With extensive clinical and research expertise in in vitro fertilization (IVF), intracytoplasmic sperm injection (ICSI), preimplantation genetic testing (PGT), recurrent implantation failure, recurrent pregnancy loss, and fertility preservation, Dr. Sun is recognized as a senior authority in reproductive medicine at one of China's most distinguished academic medical centers and one of the highest-volume assisted reproduction centers in Shanghai.
Infertility affects approximately 15–20% of couples worldwide, and assisted reproductive technology (ART) — including IVF, ICSI, and embryo transfer — has enabled millions of couples to achieve pregnancy who would otherwise be unable to conceive. The past decade has seen transformative advances in ART laboratory technology — including time-lapse embryo monitoring, vitrification for embryo and oocyte cryopreservation, and preimplantation genetic testing for aneuploidy (PGT-A) and monogenic disorders (PGT-M) — that have improved embryo selection, frozen embryo transfer outcomes, and the ability to prevent transmission of hereditary genetic conditions. Dr. Sun's clinical practice at Renji Hospital — supported by the center's state-of-the-art ART laboratory and comprehensive reproductive medicine infrastructure — provides international patients with access to the most advanced assisted reproduction available in China.
Hospital Affiliation: Department of Assisted Reproduction, Renji Hospital
Renji Hospital (仁济医院), affiliated with Shanghai Jiao Tong University School of Medicine, is one of Shanghai's largest and most prestigious academic medical centers. Its Department of Assisted Reproduction is one of the highest-volume and most technologically advanced ART centers in China, performing thousands of IVF and ICSI cycles annually with success rates that compare favorably with leading international ART centers. The department's ART laboratory is equipped with time-lapse embryo monitoring systems (EmbryoScope), vitrification platforms for embryo and oocyte cryopreservation, and a dedicated PGT laboratory for preimplantation genetic testing. Its clinical program provides the full range of ART services including ovarian stimulation and egg retrieval, IVF and ICSI, fresh and frozen embryo transfer, PGT-A and PGT-M, donor egg and donor sperm programs, fertility preservation for oncology patients and elective social freezing, and comprehensive evaluation and management of recurrent implantation failure and recurrent pregnancy loss.
Clinical Specialties: What Dr. Sun Xiaoxi Treats
- IVF and ICSI — comprehensive infertility evaluation including ovarian reserve assessment (AMH, antral follicle count), semen analysis and sperm function testing, uterine cavity assessment (hysteroscopy, saline infusion sonography), and tubal patency assessment (hysterosalpingography, laparoscopy); individualized ovarian stimulation protocol design based on ovarian reserve and prior response; egg retrieval under ultrasound guidance; IVF and ICSI fertilization; time-lapse embryo monitoring and morphokinetic embryo selection; fresh and frozen embryo transfer; luteal phase support optimization; management of ovarian hyperstimulation syndrome (OHSS)
- Preimplantation genetic testing (PGT) — PGT-A (preimplantation genetic testing for aneuploidy) using next-generation sequencing (NGS) for chromosomally normal embryo selection; PGT-M (preimplantation genetic testing for monogenic disorders) for couples carrying autosomal dominant, autosomal recessive, and X-linked hereditary conditions including thalassemia, cystic fibrosis, spinal muscular atrophy, Huntington's disease, BRCA1/2 mutations, and other single-gene disorders; PGT-SR (preimplantation genetic testing for structural rearrangements) for couples with chromosomal translocations or inversions; coordination with clinical genetics for PGT-M probe design and validation
- Recurrent implantation failure (RIF) — systematic evaluation of RIF including uterine cavity assessment (hysteroscopy), endometrial receptivity assessment (ERA test, endometrial biopsy), thrombophilia screening, immunological evaluation (NK cell activity, antiphospholipid antibodies), and embryo quality assessment; personalized embryo transfer timing based on ERA results; endometrial scratch; immunotherapy for immunological RIF; management of uterine abnormalities including polyps, fibroids, adhesions, and septum
- Recurrent pregnancy loss (RPL) — systematic evaluation of RPL including chromosomal analysis of both partners, uterine anatomy assessment, thrombophilia screening, antiphospholipid syndrome evaluation, thyroid function, and endocrine assessment; PGT-A for couples with RPL to select euploid embryos; low molecular weight heparin and aspirin for antiphospholipid syndrome; progesterone supplementation; immunotherapy for unexplained RPL; coordination with hematology and immunology for complex RPL cases
- Fertility preservation — emergency fertility preservation for oncology patients before chemotherapy or radiotherapy including oocyte vitrification, embryo vitrification, and ovarian tissue cryopreservation; elective oocyte vitrification for social fertility preservation; sperm cryopreservation; coordination with oncology for optimal timing of fertility preservation before cancer treatment; ovarian stimulation in hormone-sensitive cancer patients using letrozole-based protocols
- Male factor infertility — comprehensive semen analysis and sperm function testing; ICSI for severe oligospermia and azoospermia; surgical sperm retrieval coordination including TESA, PESA, and micro-TESE for obstructive and non-obstructive azoospermia; coordination with urology for male infertility evaluation and treatment
- Donor egg and donor sperm programs — donor egg IVF for women with diminished ovarian reserve, premature ovarian insufficiency, or repeated IVF failure with poor egg quality; donor sperm IUI and IVF for male factor infertility and single women; coordination with the hospital's donor program for matched anonymous donation
- Diminished ovarian reserve and premature ovarian insufficiency (POI) — evaluation and management of diminished ovarian reserve; individualized ovarian stimulation for poor responders using DuoStim and other strategies; hormone replacement therapy for POI; fertility options counseling including donor egg IVF; coordination with endocrinology for POI management
Why International Patients Choose Dr. Sun Xiaoxi and Renji Hospital
International patients — including expatriate couples living in Shanghai and medical tourists from regions where ART is restricted, expensive, or of limited quality — seek fertility consultation with Dr. Sun Xiaoxi and Renji Hospital for reasons that reflect both the clinical depth of her reproductive medicine expertise and the practical advantages of accessing ART in Shanghai.
For couples who have experienced recurrent IVF failure at other centers, Dr. Sun's systematic approach to recurrent implantation failure evaluation — including ERA-guided personalized embryo transfer timing, comprehensive immunological assessment, and PGT-A for chromosomally normal embryo selection — frequently identifies correctable factors that have been missed by prior evaluation and provides a pathway to successful pregnancy that has not been achieved with prior treatment. The combination of Renji Hospital's state-of-the-art ART laboratory — including time-lapse embryo monitoring and NGS-based PGT-A — and Dr. Sun's clinical expertise provides a level of ART quality that compares favorably with leading international fertility centers.
For couples carrying hereditary genetic conditions who wish to prevent transmission to their children, PGT-M at Renji Hospital provides access to preimplantation genetic diagnosis for a wide range of single-gene disorders — including thalassemia, which is particularly prevalent in Southeast Asian populations — at costs substantially below those of equivalent PGT-M services in Western healthcare systems. The cost of IVF, ICSI, and PGT at Renji Hospital is substantially below that of equivalent ART in Western healthcare systems, and access to specialist consultation can typically be arranged within days through CMCS.
What to Expect at Your Consultation
Consultations with Dr. Sun Xiaoxi at Renji Hospital arranged through CMCS begin with a comprehensive review of all prior fertility records — including semen analysis results, ovarian reserve assessment (AMH, AFC), prior IVF cycle records including stimulation protocols, egg numbers, fertilization rates, embryo quality, and transfer outcomes, uterine cavity assessment results, prior PGT results, and the couple's fertility history and relevant medical history. CMCS will arrange certified translation of all medical records and investigation results in advance of the consultation. Dr. Sun will assess the infertility etiology and prior treatment, evaluate the recommended ART strategy, outline the individualized treatment plan with detailed rationale, and coordinate any required additional investigations. A written English-language consultation summary is provided after every appointment, and CMCS will facilitate direct communication between Dr. Sun's team and the patient's home fertility specialist for continuity of care planning.
Book a Consultation Through CMCS
China Medical Concierge Shanghai (CMCS) provides comprehensive end-to-end support for international patients seeking reproductive medicine consultation with Dr. Sun Xiaoxi at Renji Hospital. Our services include priority consultation scheduling, certified medical record and fertility record translation, coordination of ovarian reserve assessment, semen analysis, and uterine cavity investigations, on-site interpretation throughout the consultation, ART cycle coordination and monitoring support, and written English-language reporting of all findings and recommendations.
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