Smile IVF Clinic (Bangkok), Thailand
     
5.0
Consultations 28
Reproductive Medicine
Hours: 07: 30 - 16: 30
Clinic Details

Smile IVF Clinic was founded by Dr. Kittawee Rattanawattanasin, MD, an obstetrician-gynecologist specializing in reproductive medicine, and a team of experienced scientists. It was certified as meeting clinical standards in obstetrics and gynecology and opened on July 17, 2018.

The clinic has passed assessments and is registered as qualified to provide assisted reproductive technology services by Thailand’s Department of Health Support and The Royal Thai College of Obstetricians and Gynaecologists.

This accredited IVF clinic in Bangkok, Thailand, is accredited by the Reproductive Technology Accreditation Committee (RTAC) of the Fertility Society of Australia and New Zealand.

The clinic provides consultation and treatment for people with fertility concerns, with attentive service and clear explanations of causes and treatment procedures.


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Location and Hours
21st Floor, Ari Hills Building, 428 Phahon Yothin 10 Alley, Samsen Nai, Phaya Thai, Bangkok 10400, Thailand
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  • Monday

    07: 30 - 16: 30

  • Tuesday

    07: 30 - 16: 30

  • Wednesday

    07: 30 - 16: 30

  • Thursday

    07: 30 - 16: 30

  • Friday

    07: 30 - 16: 30

  • Saturday

    07: 30 - 16: 30

  • Sunday

    07: 30 - 16: 30

  • Open Now
    Facilities and More
    • Credit cards accepted
    Doctors at This Clinic

    Reproductive Medicine |

    Years of experience | Consultations 20

    Featured Reviews
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    On-Site Overall Rating

    7 ratings

    • 5 stars
    • 4 stars
    • 3 stars
    • 2 stars
    • 1 stars
    Apr 24, 2026
    The doctor, team, and patient were all fully prepared, both physically and mentally. There is no need to worry; the doctor will help us resolve every issue step by step. Everyone’s body is different, so trusting the doctor and being physically and mentally prepared are essential. Thank you to Dr. Mao and the entire medical team.
    May 4, 2026
    I would like to share my positive experience with families looking for a fertility clinic. We chose to undergo intracytoplasmic sperm injection (ICSI) here for the first time, and it worked on our first attempt! We now have a son who has made our family complete. What impressed us most about Smile IVF was: 👨‍⚕️ Medical expertise: Dr. Mao and his medical team carefully analyzed our case and clearly explained the entire process, helping us feel relaxed and free from pressure. This gave both of us confidence throughout. 👩‍🔬 Technology and laboratory: The laboratory was able to select sperm precisely. We clearly stated that we wanted male embryos, and the laboratory met our request exactly. Seven eggs were retrieved, only 3 developed to day 5, and all were confirmed to be male embryos. The embryo we transferred was a healthy 4BB grade. We had no problems throughout the pregnancy. 👩‍💼 Staff service: The nursing team and staff provided excellent care, monitored us throughout, and offered guidance. They answered questions quickly and coordinated everything efficiently. 🏥 Clinic environment: Clean and comfortable. 📌 Highly recommended: If you have been disappointed by other clinics or are seeking infertility advice, I strongly recommend Smile IVF. The quality of care is worth the cost, and the results were truly satisfying. ❤️
    Dec 20, 2025
    The doctor gave excellent advice. The staff were warm and attentive.
    Jan 15, 2026
    Dr. Mao is highly skilled. The entire team works seamlessly and demonstrates exceptional professionalism. Specialists in every area—including nurses, scientists, and administrative staff—show outstanding expertise. I am very impressed! 🥰
    Jan 17, 2026
    “No expectations, no disappointment,” yet I was disappointed. For background, my wife and I conceived naturally and have two daughters. I was about 38 and my wife about 32 when we began trying. We consulted the clinic because we wanted a son. The clinic understood and accepted our plan, but the results did not meet our expectations. During the consultation and on the day I provided the semen sample, we emphasized that we wanted as many male sperm as possible. More than 10 eggs were retrieved from my wife, although I do not remember the exact number, and we ultimately had only 9 fertilized eggs. We sent all embryos for testing. Results showed 5 female and 4 male embryos. As I understand it, the clinic could have selected sperm by sex; why did they not do so? Even if not completely accurate, should the chance of a boy not have been much higher? In addition, 7 high-risk embryos were not recommended for transfer, leaving only 1 normal male and 1 normal female embryo suitable for transfer. We both felt something must have gone seriously wrong. My wife was devastated and cried, then spoke with the doctor. The doctor simply confirmed everything was normal without providing documentation. We transferred our only male embryo, but it failed. My wife has cried for two days and is deeply upset. We never imagined this could happen to us. Money means different things to different people; some save for years to afford this. I hope the laboratory staff will be more careful and apply their expertise more effectively. The doctor was polite, articulate, mature, and listened carefully to our family's questions. Some staff were lovely, polite, and friendly. The clinic was also clean. ***This private clinic is very skilled at online marketing, which is how I found it. However, the treatment and service did not meet my expectations at all. This experience was a very expensive lesson.
    Apr 4, 2026
    I used the services here and was very impressed. The doctors, nurses, and staff all provided excellent care.
    Apr 8, 2026
    This is a trustworthy repair shop. Repairs are fast and efficient, prices are reasonable, and equipment is inspected before every repair.

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    • 1 doctor
    • Operating for many years
    • PGT IVF
    • Clinic Address
      21st Floor, Ari Hills Building, 428 Phahon Yothin 10 Alley, Samsen Nai, Phaya Thai, Bangkok 10400, Thailand

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    • Preimplantation Genetic Testing and IVF
      Donor Egg or Sperm IVF
      Third-Party Reproduction Information (Subject to Local Law)
      Other