At a glance
Learn about common IVF medication protocols (antagonist, agonist, etc.), typical injection schedules, and monitoring for international patients preparing for treatment in Thailand.
Understanding IVF Medication Protocols
IVF medication protocols are tailored to each patient’s individual response, but there are common types used in Thailand. The two main categories are antagonist protocols and agonist (long) protocols. Your fertility specialist will choose a protocol based on your age, ovarian reserve, hormone levels, and previous treatment history.
Antagonist Protocol
The antagonist protocol is widely used for its shorter duration and lower risk of ovarian hyperstimulation syndrome (OHSS). It typically involves:
- Stimulation phase: Daily injections of follicle-stimulating hormone (FSH) and/or luteinizing hormone (LH) for about 10–12 days.
- GnRH antagonist: Added around day 5–6 of stimulation to prevent premature ovulation.
- Trigger shot: Human chorionic gonadotropin (hCG) or a GnRH agonist to finalize egg maturation.
- Egg retrieval: Scheduled approximately 36 hours after trigger.
Agonist (Long) Protocol
The agonist protocol is often used for patients with endometriosis or those requiring precise cycle control. It involves:
- Down-regulation phase: Daily GnRH agonist injections (e.g., leuprolide) starting in the luteal phase of the previous cycle, lasting about 10–14 days.
- Stimulation phase: Once suppression is confirmed, FSH/LH injections are added for 10–12 days.
- Trigger shot: hCG is used to trigger final maturation.
- Egg retrieval: 36 hours after trigger.
Other Protocols
Less common protocols include:
- Mini-IVF (mild stimulation): Lower doses of medication for patients with low ovarian reserve or those concerned about side effects.
- Natural cycle IVF: No or minimal medication, relying on the single egg that develops naturally.
- DuoStim: Two stimulation cycles in one menstrual cycle for patients with diminished ovarian reserve.
Common IVF Medications Used in Thailand
Medications are generally the same as those used globally, but brand names may differ. Common types include:
- Gonadotropins (FSH/LH): Gonal-F, Puregon, Menopur, Pergoveris.
- GnRH antagonists: Cetrotide, Orgalutran.
- GnRH agonists: Lupron, Decapeptyl.
- Trigger medications: Ovidrel (hCG), Lupron (GnRH agonist).
- Progesterone support: Crinone gel, Endometrin, progesterone in oil injections.
Your clinic will provide a detailed prescription and may source medications from local pharmacies or the clinic’s own pharmacy.
Injection Schedules and Self-Administration
Most IVF medications are given as subcutaneous or intramuscular injections. Patients are taught to self-inject or may visit a clinic for administration. Typical schedule:
- Morning injections: Gonadotropins are often given in the morning.
- Evening injections: Antagonists or agonists may be given in the evening.
- Timing consistency: Injections should be at the same time each day (±1 hour).
Your clinic will provide a personalized calendar. For international patients, it’s important to plan for medication storage (refrigeration may be required) and travel with medications (carry a doctor’s note and keep in original packaging).
Monitoring During Stimulation
Monitoring is crucial to adjust medication doses and timing. It typically includes:
- Blood tests: Estradiol, progesterone, LH levels.
- Ultrasounds: To count and measure follicle growth.
Monitoring frequency is every 1–3 days during stimulation. For international patients, this means staying near the clinic for the duration of stimulation (usually 10–14 days). Some clinics offer remote monitoring if you have a local doctor, but this is less common.
Considerations for International Patients
When planning IVF medication in Thailand, consider the following:
- Timeline: The entire medication phase (from start of stimulation to egg retrieval) typically lasts 2–3 weeks. Add time for pre-cycle preparation and post-retrieval recovery.
- Medication costs: These vary by protocol and dosage. Confirm with your clinic the estimated cost and whether medications are included in the package.
- Importing medications: If you bring medications from home, check Thai customs regulations. Most clinics prefer you use locally sourced medications to ensure quality and cold chain.
- Language: Ensure you understand injection instructions. Clinics often have English-speaking nurses or provide translated materials.
- Support: Some clinics offer injection training or nursing visits for a fee.
Questions to Ask Your Clinic
Before starting treatment, confirm the following with your chosen clinic:
- Which protocol do you recommend for me and why?
- What is the estimated total cost of medications?
- Can I purchase medications at the clinic or do I need a pharmacy?
- What is the monitoring schedule and location?
- Is there 24/7 support for injection questions or side effects?
- What should I do if I miss a dose?
- How are medications stored and transported?
Conclusion
IVF medication protocols in Thailand follow international standards, with antagonist and agonist protocols being most common. International patients should plan for a stay of at least 2–3 weeks for the medication phase, and work closely with their clinic to understand the specific schedule, costs, and logistics. Always consult your fertility specialist for personalized advice.
Frequently asked questions
What is the most common IVF medication protocol in Thailand?
The antagonist protocol is widely used due to its shorter duration and lower risk of OHSS. However, the choice depends on individual factors like age and ovarian reserve.
Can I bring my own IVF medications to Thailand?
It is possible but subject to Thai customs regulations. Most clinics recommend using locally sourced medications to ensure quality and proper storage. Confirm with your clinic and check with Thai authorities.
How long do I need to stay in Thailand for the medication phase?
The stimulation phase typically lasts 10–14 days, plus a few days for pre-cycle preparation and post-retrieval recovery. Plan for at least 2–3 weeks in Thailand.
Are IVF medications expensive in Thailand?
Costs vary by protocol and dosage. It is best to ask your clinic for a detailed estimate. Some clinics offer medication packages.
Do I need to self-inject IVF medications?
Yes, most patients self-administer subcutaneous injections. Clinics provide training. Some offer nurse visits for an additional fee.
Continue your research
Medical information notice: This article is educational and does not replace individual assessment, diagnosis, genetic counselling or treatment advice from a licensed clinician. Provider services, availability, fees and policies should be verified directly before booking.
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