A diagnosis of diminished ovarian reserve (DOR) can be one of the most emotionally difficult pieces of news a person receives on their fertility journey. The news that your ovarian reserve is lower than expected for your age often raises immediate questions about what this means for your chances of conceiving and what options remain available to you. The good news is that diminished ovarian reserve is not the same as no ovarian reserve, and many women with DOR go on to achieve successful pregnancies with thoughtful, personalized care.
Clinics like Hanabusa IVF specialize in caring for patients with diminished ovarian reserve and other complex fertility challenges, offering individualized protocols that are tailored to each patient's specific hormonal profile and response pattern.
What Diminished Ovarian Reserve Means
Ovarian reserve refers to the quantity and quality of eggs remaining in the ovaries. It is measured through a combination of blood tests — primarily anti-Mullerian hormone (AMH) and cycle day 3 follicle-stimulating hormone (FSH) — and an ultrasound antral follicle count, which counts the small resting follicles visible at the beginning of a menstrual cycle.
Diminished ovarian reserve means that one or more of these markers falls below the expected range for a person's age. A low AMH or elevated FSH suggests that the ovaries are not producing as many developing follicles as would typically be expected. An antral follicle count of fewer than five to seven follicles is generally considered low.
DOR can occur in women of any age, though it becomes more common as women move through their late 30s and into their 40s. It can also occur earlier, sometimes as a result of prior ovarian surgery, autoimmune conditions, genetic factors, or cancer treatment. In many cases, there is no identifiable cause.
How DOR Affects the IVF Process
When a patient has diminished ovarian reserve, the standard IVF stimulation protocol may need to be adjusted. The ovaries are less likely to produce a large number of mature follicles in response to stimulation medications, which means retrieval cycles typically yield fewer eggs than in patients with normal reserve.
This does not mean IVF is not worth attempting with DOR. Even a single retrieved egg can lead to a viable embryo. However, it often means that multiple retrieval cycles may be needed, and that the cumulative success rate needs to be understood over a series of attempts rather than a single cycle.
Individualized stimulation protocols are especially important for patients with DOR. Some patients respond better to lower stimulation doses, others to modified trigger timing, and some benefit from approaches that prioritize egg quality over quantity. A fertility specialist with experience managing DOR patients is better positioned to make these adjustments effectively than one applying a standard protocol across all patients.
Gentle IVF Approaches for Low Responders
Some patients with diminished ovarian reserve are candidates for gentler stimulation approaches that use lower medication doses or natural cycle modifications to work with the ovaries rather than pushing them beyond their current capacity. These approaches are not right for everyone, but they can be valuable for patients whose ovaries are sensitive to high stimulation doses, those who have had poor-quality embryos despite high egg numbers in the past, or those who prefer a less intensive treatment approach.
A thorough evaluation of your specific hormonal profile, ovarian ultrasound findings, and treatment history is the essential starting point for determining which approach is most likely to be effective for you.
Emotional Support Throughout the Process
Fertility treatment for patients with diminished ovarian reserve often involves more uncertainty than treatment for patients with normal reserve. Cycles may be canceled when the ovaries do not respond as hoped. Results may vary from one cycle to the next. This uncertainty can be emotionally exhausting, and it is important to have support systems in place — both clinical and personal — throughout the process.
Fertility clinics that take a personalized, unhurried approach to care tend to provide a more supportive experience for patients in this situation. For patients in Southern California navigating DOR, Hanabusa IVF's team combines clinical expertise with a commitment to individualized care that acknowledges the emotional dimensions of this journey.



