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Dr. Chalomkwan Prayoonwech

Infertility Specialist, IVF Specialist

Dr. Chalomkwan Prayoonwech

Consultant

21+ years of experience

Diploma, MD
BNH Hospital, Bangkok - Thailand

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    Areas of Expertise

    Dr. Chalomkwan Prayoonwech

    Major Conditions Treated

    • Female Infertility
    • Male Infertility
    • Diminished Ovarian Reserve
    • Poor Responder in IVF
    • Recurrent Miscarriage
    • Polycystic Ovary Syndrome (PCOS)
    • Endometriosis-Related Infertility
    • Repeated Implantation Failure (RIF)
    • Genetic Disease Carriers Seeking Healthy Pregnancy
    • Advanced Maternal-Age Pregnancy Planning

    Sub-specialties

    • IVF, ICSI & Reproductive Endocrinology: Sub-board certified expertise in IVF/ICSI/IUI and complex fertility cases — a leading IVF specialist in Bangkok, Thailand for international couples seeking the best IVF doctor in Asia.
    • Pre-Implantation Genetic Testing (PGT): Pioneer in Thailand of Next-Generation Sequencing (NGS) for embryo genetic screening, particularly for women over 35, recurrent miscarriage, and RIF.
    • Surgical Sperm Retrieval & Male Infertility: Expert in PESA, micro-TESE, and other advanced male fertility procedures.

    Advanced Procedures & Treatments

    • In Vitro Fertilisation (IVF)
    • Intracytoplasmic Sperm Injection (ICSI)
    • Intrauterine Insemination (IUI)
    • Frozen Embryo Transfer (FET)
    • Pre-Implantation Genetic Testing (PGT-A / PGT-M / NGS)
    • Time-Lapse Embryo Culture
    • Egg Freezing (Oocyte Cryopreservation)
    • Surgical Sperm Retrieval (PESA / Micro-TESE)
    • Diagnostic Laparoscopy and Hysteroscopy
    • Operative Hysteroscopy

    Qualifications & Credentials

    Medical Degrees

    • Doctor of Medicine (M.D.) — Faculty of Medicine, Chulalongkorn University, Thailand, 1999

    Fellowships & Special Training

    • Diploma of the Thai Board of Obstetrics and Gynaecology, 2005
    • Diploma of the Thai Sub-Board of Reproductive Medicine — The Royal Thai College of Obstetricians and Gynecologists, 2010
    • Specialised training in Gynaecological Endoscopic Surgery (Laparoscopy & Hysteroscopy)
    • Advanced training in Surgical Sperm Retrieval (PESA / Micro-TESE)

    Certifications & Accreditations

    • Thai Medical Council Registration
    • Thai Board of Obstetrics and Gynaecology — Diplomate
    • Thai Sub-Board of Reproductive Medicine — Diplomate
    • Royal Thai College of Obstetricians and Gynecologists — Member
    • Thai Society for Reproductive Medicine — Member

    Professional Experience

    Current Affiliation

    • BNH Hospital (International Fertility Centre), Bangkok, Thailand — Senior Consultant, Obstetrics & Gynaecology / Director of BNH Fertility Center (Present)
    • BDMS Wellness Clinic, Bangkok, Thailand — Director, Fertility & Women Wellness Clinic; Specialist in Reproductive Endocrinology and Infertility (Present)
    • Bangkok IVF Center (BIC), Bangkok, Thailand — Consultant Fertility Specialist (Present)

    Past Affiliations

    • Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand — Medical Trainee and Resident (Past)
    • Royal Thai College of Obstetricians and Gynecologists, Bangkok, Thailand — Sub-board Trainee in Reproductive Medicine (Past)

    Academic & Research Roles

    • Director — Fertility & Women Wellness Clinic at BDMS Wellness Clinic
    • Director — BNH Fertility Center
    • Speaker on advanced reproductive technology and NGS preimplantation screening

    Key Achievements

    • 24+ years of obstetric, gynaecological and reproductive medicine practice
    • Director of one of Thailand's most advanced fertility centres
    • Pioneer in Thailand of Next-Generation Sequencing (NGS) PGT for embryo genetic screening
    • Expert in advanced maternal-age fertility treatment for women over 40
    • Treats international fertility patients from across Asia, the Middle East, and the West

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