About Dr. Chalomkwan Prayoonwech
Dr. Chalomkwan Prayoonwech is a senior Infertility Specialist and Reproductive Endocrinologist with over 24 years of clinical experience, internationally recognised for her expertise in IVF, ICSI, gynaecological endoscopic surgery, and pre-implantation genetic testing.
- 24+ years of obstetrics, gynaecology, and reproductive medicine experience
- M.D. — Faculty of Medicine, Chulalongkorn University, Thailand, 1999
- Diplomate of the Thai Board of Obstetrics and Gynaecology, 2005
- Diploma of the Thai Sub-Board of Reproductive Medicine — Royal Thai College of Obstetricians and Gynecologists, 2010
- Director of the Fertility & Women Wellness Clinic at BDMS Wellness Clinic, Bangkok
- Pioneer in Thailand of Next-Generation Sequencing (NGS) preimplantation genetic screening
- Sub-specialty expertise in diminished ovarian reserve, recurrent miscarriage, and surgical sperm retrieval
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
Areas of Expertise
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
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
Awards & Recognitions
National & International Awards
- Information not publicly available.
Professional Memberships
- Thai Medical Council
- Royal Thai College of Obstetricians and Gynecologists
- Thai Sub-Board of Reproductive Medicine
- Thai Society for Reproductive Medicine
Research & Publications
Published Papers (Selected)
- Information not publicly available.
Ongoing Research & Clinical Interests
- Next-Generation Sequencing for embryo genetic screening
- Diminished ovarian reserve and poor IVF responders
- Recurrent miscarriage management
- Time-lapse embryo culture and IVF success rates
Estimated Treatment Costs
| Procedure / Consultation | Estimated Cost (THB) | Estimated Cost (USD) |
|---|---|---|
| Reproductive Medicine Consultation | ฿1,500 – ฿4,500 | $45 – $135 |
| IVF Cycle (Fresh) | ฿250,000 – ฿500,000 | $7,500 – $15,000 |
| ICSI Cycle | ฿300,000 – ฿600,000 | $9,000 – $18,000 |
| PGT-A / NGS Genetic Testing (per embryo) | ฿15,000 – ฿35,000 | $450 – $1,050 |
| Frozen Embryo Transfer (FET) | ฿80,000 – ฿180,000 | $2,400 – $5,400 |
| Surgical Sperm Retrieval (PESA / Micro-TESE) | ฿40,000 – ฿120,000 | $1,200 – $3,600 |
| Egg Freezing (per cycle) | ฿150,000 – ฿300,000 | $4,500 – $9,000 |
*Indicative estimates only. Actual costs subject to hospital pricing, case complexity, and insurance. Contact Cancer Rounds for a personalised quote.
Frequently Asked Questions
1. What advanced technologies does Dr. Chalomkwan Prayoonwech use in IVF and Infertility treatment?
Dr. Chalomkwan Prayoonwech employs cutting-edge reproductive technologies including IVF, ICSI, time-lapse embryo culture, Next-Generation Sequencing (NGS) for pre-implantation genetic screening, frozen embryo transfer, surgical sperm retrieval (PESA/micro-TESE), and oocyte cryopreservation. Virtual consultations and remote second opinions are also available to international patients via Cancer Rounds.
2. What conditions does Dr. Chalomkwan Prayoonwech specialize in treating?
Dr. Chalomkwan Prayoonwech specialises in IVF, infertility, and reproductive endocrinology, treating female and male infertility, diminished ovarian reserve, poor IVF responders, recurrent miscarriage, repeated implantation failure, PCOS, endometriosis, and genetic-disease-carrier couples. As a leading IVF specialist in Bangkok, Thailand, she is internationally trusted for advanced fertility care.
3. How do I book an appointment with Dr. Chalomkwan Prayoonwech?
Appointments with Dr. Chalomkwan Prayoonwech can be booked directly through the Cancer Rounds website or by contacting their international patient department for priority scheduling.
4. Can international patients receive treatment from Dr. Chalomkwan Prayoonwech?
Yes. Cancer Rounds provides full assistance for international patients seeking treatment from Dr. Chalomkwan Prayoonwech, including medical visa invitation letters, airport transfers, and local accommodation coordination.
5. What support is available for international patients?
International patients benefit from a dedicated concierge service provided by Cancer Rounds, including language interpretation, financial counselling, and pre-travel virtual consultations to review medical records before arrival.
6. Does Dr. Chalomkwan Prayoonwech offer second opinions for IVF and Infertility cases?
Yes. Second opinion consultations can be arranged via Cancer Rounds for couples who wish to review their fertility diagnosis or treatment plan with an expert IVF specialist in Bangkok, Thailand — particularly valuable for diminished ovarian reserve and recurrent miscarriage cases.









