Understanding How IVF Medication Doses Are Decided 

One of the most common questions patients ask during IVF treatment is: 

“Why am I using so much medication?” or “My friend had IVF and used much lower doses…” 

The truth is: There is no “one-size-fits-all” IVF protocol. 

Every woman’s ovaries respond differently, which is why IVF treatment is always personalized. The goal is not to give everyone the same amount of medication — it’s to find the right balance for each individual patient. 

What Do IVF Medications Actually Do? 

The hormone injections used during IVF stimulate the ovaries to help multiple eggs grow in the same cycle. 

In a natural menstrual cycle, usually only one egg matures. During IVF, we aim to develop several mature eggs in order to increase the chances of creating healthy embryos. 

But here’s the important part: 

Not all ovaries respond the same way. 

Some ovaries are very sensitive and produce many follicles with low medication doses. Others may require stronger stimulation to achieve an adequate response. 

That’s why medication doses can vary significantly from one patient to another. 

So, What Determines the Starting Dose? 

1. Age 

Age is one of the most important factors affecting ovarian response. 

As women get older, both egg quantity and egg quality may decline. In some patients, the ovaries become less responsive to stimulation medications. 

Higher starting doses may be considered for: 

● women over 38, 

● patients with diminished ovarian reserve, 

● or those who previously had a poor response during IVF. 

This does not mean something is “wrong.” It simply means the treatment is being adjusted to help the ovaries respond as effectively as possible. 

2. AMH Level (Ovarian Reserve Test) 

AMH is a hormone that gives us important information about ovarian reserve. 

● Low AMH may suggest fewer remaining eggs. 

● High AMH may indicate a risk of over-response. 

Interestingly, patients with low AMH sometimes need higher doses, while patients with very high AMH may actually require lower doses for safety reasons. 

Because in IVF, more medication is not always better. 

The goal is not just to collect more eggs — it’s to achieve the healthiest and safest response possible. 

3. Ultrasound Findings 

At the beginning of the cycle, we evaluate the ovaries with ultrasound and count the small resting follicles (antral follicles). 

● Fewer follicles may require stronger stimulation. 

● A very high follicle count may require a gentler approach. 

This helps create a treatment plan tailored specifically to the patient’s ovarian potential. 

4. Previous IVF Cycles 

If a patient has undergone IVF before, that information becomes extremely valuable. 

For example: 

● If too few eggs developed previously, the dose may be increased. 

● If the ovaries overreacted, the dose may be lowered. 

● If egg quality was poor, the protocol itself may be adjusted. 

Each IVF cycle teaches us more about how the ovaries behave. 

Does Higher Dose Mean More Eggs? 

Not necessarily. 

This is one of the biggest misconceptions about IVF treatment. 

Beyond a certain point, increasing medication doses may not improve the number or quality of eggs especially if ovarian reserve is already limited. 

Modern IVF treatment focuses on finding the optimal balance, not simply using the highest possible dose. 

Sometimes a lower, more controlled stimulation can actually produce better-quality eggs and embryos. 

Try Not to Compare Yourself to Others 

This may be the hardest part emotionally. 

Patients often hear things like: 

● “She only used a few injections.” 

● “They collected 20 eggs from my friend.” 

● “Someone else got pregnant on the first try.” 

But IVF is deeply personal. 

Even two women with the same age and similar test results can respond completely differently to the exact same medications. 

That’s why comparing yourself to others or to stories online can create unnecessary anxiety. 

Thoughts; 

Starting IVF with higher medication doses does not automatically mean a patient has a “bad case” or a lower chance of success. 

In most situations, it simply reflects a personalized treatment strategy designed to help the ovaries give the best possible response. 

Successful IVF is not about giving every patient the same treatment. It’s about finding the right protocol for the right patient at the right time. 

DR.TÜLAY ÇAĞLAR, OBGYN 
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Gynist IVF Clinic in Turkiye-İstanbul

Vali Konağı Caddesi.129 Milas Apartmanı Kat 5 Daire 13, 34363 Şişli/İstanbul

gynistivfclinic.com
https://www.instagram.com/gynistivfclinic/

+90 537 615 36 10
info@tulaycaglar.com