IVF Preparation: How to Optimise Your Body for the Best Possible Outcome

Preparing for IVF is a journey that extends far beyond the clinic. While your fertility specialist manages the medical protocol, there is a great deal that you — both individually and as a couple — can do in the weeks and months before your treatment to maximise your chances of success. IVF prep done right means going into your cycle with the healthiest possible eggs, sperm, and uterine environment.

This guide brings together the evidence on what genuinely improves IVF outcomes: from nutrition and supplementation to lifestyle adjustments, stress management, and clinic communication strategies. Conceive Plus supports IVF preparation with clinically-backed fertility supplements designed for the conception journey in all its forms.

Understanding What Affects IVF Success

IVF success is influenced by factors you can and cannot control. Understanding both helps you focus your energy where it will make the most difference.

Factors largely outside your control:

• Age — particularly egg quality decline in women over 35
• Genetic factors affecting embryo viability
• Structural uterine abnormalities
• Specific medical conditions affecting response to stimulation

Factors you can meaningfully influence:

• Egg quality — through nutrition, supplementation, and reducing oxidative stress
• Sperm quality — through the same mechanisms plus lifestyle modifications
• Uterine receptivity — through nutrition, reducing inflammation, and appropriate supplementation
• Body weight and composition — both under- and over-weight affect response and outcomes
• Stress levels — through evidence-based mind-body interventions
• Medication adherence and clinic communication

IVF live birth rates per cycle vary significantly by age: approximately 40–50% for women under 35, declining to around 15–20% for women over 40 using their own eggs. These statistics underscore why optimising the controllable factors is so important — every percentage point matters.

Nutrition for IVF: The Diet That Improves Outcomes

Several studies have specifically examined diet and IVF success rates. The most compelling findings come from a 2018 study in Human Reproduction that followed 244 women undergoing IVF at the Massachusetts General Hospital Fertility Center. Those who ate a Mediterranean diet in the months before their IVF cycle had a 65–68% higher live birth rate than those who ate a typical Western diet — a remarkable difference.

The key dietary principles for IVF preparation:

Prioritise antioxidant-rich foods: Oxidative stress damages eggs, sperm, and embryos. The ovarian follicular environment that nurtures maturing eggs is particularly vulnerable. Load your diet with antioxidants from colourful vegetables and fruits, particularly leafy greens, berries, tomatoes, citrus, and cruciferous vegetables.

Choose whole grains over refined carbohydrates: Blood sugar spikes drive inflammation and hormonal disruption. Replace white bread, white rice, and sugary foods with oats, quinoa, brown rice, and legumes. This is particularly important for women with PCOS, where insulin resistance is a core issue.

Include quality protein at every meal: Adequate protein supports hormone production, cellular repair, and energy metabolism. Aim for a mix of plant proteins (legumes, tofu, edamame) and animal proteins (eggs, fish, poultry, dairy).

Embrace healthy fats: Omega-3 fatty acids from oily fish (salmon, sardines, mackerel) and plant sources (walnuts, flaxseed, chia seeds) reduce inflammation, support cell membrane function, and have been associated with better egg quality and embryo development. Olive oil, avocado, and nuts are also excellent fat sources.

Optimise hydration: Dehydration affects follicular fluid quality and overall cellular function. Aim for 8–10 glasses of water daily during IVF preparation.

Eliminate alcohol completely: Even moderate alcohol consumption has been associated with reduced ovarian response to stimulation, lower egg retrieval numbers, and impaired IVF outcomes. Eliminating alcohol for at least 3 months before your cycle is strongly recommended.

Reduce processed foods and sugar: These drive inflammation and hormonal disruption. Focus on whole, minimally processed foods as the foundation of your pre-IVF diet.

Key Supplements for IVF Preparation

Supplementation is one of the most evidence-supported aspects of IVF preparation. The following nutrients have specific clinical evidence for improving IVF-relevant outcomes:

CoQ10 (Coenzyme Q10): This is probably the most discussed supplement in IVF preparation — and for good reason. CoQ10 (preferably as ubiquinol, the active form) supports mitochondrial energy production in eggs, which is critical for fertilisation and early embryo development. The energy demands of egg maturation are enormous, and CoQ10 supports the mitochondria that meet these demands. Studies have found improved ovarian response, higher egg quality, and better embryo quality with CoQ10 supplementation (600mg daily for 2–3 months before the cycle). This is particularly beneficial for women over 35, where mitochondrial function declines.

Methylfolate (or methylated B vitamins): Folic acid is universally recommended before pregnancy, but methylfolate (the active form of folate) is better absorbed — especially for women with the common MTHFR gene variant. Folate is essential for DNA synthesis during rapid cell division in embryo development. Start at least 3 months before your IVF cycle. Dose: 400–800 mcg methylfolate daily.

Vitamin D: Vitamin D receptors are present in ovarian follicles and the endometrium. Low vitamin D levels have been consistently associated with poorer IVF outcomes — including lower fertilisation rates and implantation failure. A meta-analysis of 11 studies found women with sufficient vitamin D levels had significantly higher clinical pregnancy rates from IVF. Test your vitamin D level before supplementing and aim for serum levels above 50 nmol/L (or 75 nmol/L by some clinicians' targets). Typical supplementation: 1000–2000 IU daily, more if deficient.

DHEA (Dehydroepiandrosterone): DHEA supplementation (25–75mg daily for 3–6 months) has been specifically studied in women with diminished ovarian reserve (DOR) or poor responders to stimulation. Multiple studies and clinic protocols have found DHEA improves antral follicle count, egg numbers, and in some cases, embryo quality in poor responders. This is not appropriate for all women — discuss with your specialist, particularly if you have PCOS (where androgen levels are already elevated).

Omega-3 fatty acids (EPA + DHA): Support anti-inflammatory pathways, cell membrane function in developing eggs, and have been associated with improved blastocyst quality and implantation. Take a quality fish oil supplement providing at least 500mg EPA+DHA daily, or algae-based omega-3 if you're vegetarian.

Vitamin E: Works synergistically with vitamin C as an antioxidant, protecting developing eggs from oxidative damage. Also supports uterine blood flow and endometrial development. Standard supplementation: 400 IU daily.

Iron and B12: Important for general health, energy, and blood formation. Have levels checked and supplement if deficient — both affect cellular energy and DNA synthesis relevant to embryo development.

Partner Preparation: Why Male IVF Prep Matters Too

IVF is not just a female preparation challenge. Sperm quality directly affects fertilisation rates, embryo quality, and even IVF success rates in ways that are often underestimated.

Research has demonstrated that:

• High sperm DNA fragmentation (above 25–30%) is associated with impaired fertilisation rates, poor embryo quality, and higher risk of cycle failure — even in ICSI (where individual sperm are selected for injection)
• Sperm from men who optimised their diet and took antioxidant supplements showed improved DNA integrity and better IVF/ICSI outcomes in several studies
• Elevated sperm oxidative stress markers predict poor IVF laboratory performance

Partner IVF preparation should include:

• Stopping smoking (minimum 3 months before the cycle)
• Eliminating or significantly reducing alcohol
• Taking antioxidant supplements: CoQ10, vitamin C, zinc, selenium, L-carnitine for 3+ months
• Maintaining a healthy weight
• Avoiding heat exposure (hot baths, saunas, tight underwear)
• Reducing stress and prioritising sleep

Conceive Plus Men's Fertility Supplement provides comprehensive antioxidant and nutritional support specifically designed for male IVF preparation.

Lifestyle Optimisation for IVF

Maintain a healthy weight: Both underweight and overweight status negatively affect IVF outcomes. Obesity increases the risk of cycle cancellation, impairs ovarian response, reduces egg quality, and decreases implantation and live birth rates. Even a modest 5–10% weight reduction in overweight women has been shown to significantly improve response. Aim for a BMI between 20–28 before beginning treatment.

Exercise wisely: Moderate exercise (walking, swimming, yoga, light strength training) supports healthy blood flow, stress reduction, and metabolic health during IVF preparation. However, intense endurance exercise (marathon training, high-intensity interval training exceeding 4 hours per week) has been associated with impaired ovarian response. During stimulation and after egg retrieval, avoid high-impact exercise due to ovarian hyperstimulation risk and discomfort.

Acupuncture: Evidence is mixed but suggestive. Some studies and meta-analyses have found acupuncture around the time of embryo transfer improves pregnancy rates; others have not. If you find acupuncture helpful for stress reduction and there's access to an acupuncturist experienced with fertility patients, it's a low-risk addition to your IVF preparation protocol.

Avoid environmental toxins: Endocrine-disrupting chemicals (EDCs) in plastics (BPA), pesticides, cosmetics (parabens), and household products can interfere with reproductive hormone function. During IVF preparation, reduce exposure by choosing glass or stainless steel food containers, eating organic produce where possible, using natural personal care products, and ventilating your home well.

Sleep: Melatonin (produced during sleep) is a potent antioxidant that protects the follicular environment. Poor sleep quality reduces melatonin output and is associated with worse IVF outcomes. Some fertility specialists recommend melatonin supplementation (3mg at night) in the weeks before egg retrieval for this reason. Prioritise 7–9 hours of quality sleep.

Managing Stress During IVF Preparation

IVF is stressful. The financial investment, the emotional stakes, the hormonal effects of stimulation medications, and the uncertainty of outcomes all take a toll. While the relationship between psychological stress and IVF outcomes is complex, there is evidence that chronic, severe stress is associated with lower success rates — and that stress management interventions can improve both wellbeing and outcomes.

Evidence-based stress management for IVF:

• Mind-body programmes: Structured programmes combining meditation, yoga, and cognitive techniques have shown improved pregnancy rates in IVF patients in some studies
• Psychological support: Many fertility clinics offer counselling. It's worth taking advantage of this — particularly during the two-week wait after transfer
• Communication with your partner: IVF affects both partners differently. Regular, honest communication about fears, expectations, and support needs reduces relational stress
• Information management: Some patients benefit from detailed information; others find it anxiety-provoking. Know your style and curate your information accordingly
• Rest and pleasurable activities: Schedule activities you enjoy. IVF preparation shouldn't consume your entire life — maintaining enjoyment and normality supports mental health through the process

Communicating With Your Fertility Clinic

Effective communication with your clinic is part of IVF preparation. Key things to discuss:

• All supplements and medications you're taking — some (vitamin E at high doses, herbal supplements, aspirin) may need to be stopped before or during stimulation
• Your lifestyle changes — your doctor may adjust your protocol based on weight changes or other health improvements
• Your questions about the protocol — understanding what to expect at each stage reduces anxiety
• Your history of previous cycles — if this isn't your first IVF, what adjustments might improve this cycle based on past response
• Add-ons you're considering — endometrial scratch, PGT-A testing, ERA, IMSI — the evidence base varies, and your clinic should give you balanced information

Frequently Asked Questions: IVF Preparation

Q: How far in advance should I start IVF preparation?
A: Ideally, begin optimising nutrition, lifestyle, and supplementation at least 3 months before your planned cycle. This aligns with the duration of egg maturation (approximately 90 days) and spermatogenesis (74 days), giving your changes time to have meaningful impact.

Q: Does CoQ10 really improve IVF outcomes?
A: The evidence is promising, particularly for women over 35 and poor responders. Multiple studies have found improvements in ovarian response, egg quality, and embryo development with CoQ10 supplementation before IVF cycles. Take as ubiquinol (the active form) for better absorption, at 300–600mg daily.

Q: Is it safe to exercise during IVF stimulation?
A: Light to moderate exercise (walking, yoga) is generally safe during stimulation. Avoid high-impact, vigorous exercise as the ovaries enlarge during stimulation and are at risk of ovarian torsion. After egg retrieval, rest for 24–48 hours and resume gentle activity slowly.

Q: Does alcohol affect IVF outcomes even in small amounts?
A: Research suggests even moderate alcohol consumption is associated with impaired IVF outcomes. The safest approach is to abstain completely for at least 3 months before your cycle and throughout treatment.

Q: What if I need to lose weight before IVF?
A: Many clinics recommend achieving a BMI under 30–35 before beginning IVF. Focus on a nutrient-dense, whole-food diet rather than extreme caloric restriction, which can deplete micronutrients needed for fertility. Work with a dietitian if possible, and time your weight management efforts so you're stable and nourished (not actively restricting) during your cycle.

Q: Does Conceive Plus help with IVF preparation?
A: Conceive Plus fertility supplements support the nutritional needs of women and men preparing for IVF — providing key micronutrients including folate, vitamin D, antioxidants, and more. Always inform your fertility clinic of any supplements you're taking so they can advise on timing relative to your protocol.

Q: Is there anything I should stop taking before my IVF cycle?
A: Discuss all supplements and medications with your clinic. High-dose vitamin E (above 400 IU), fish oil (may affect bleeding time), and many herbal supplements are typically stopped before egg retrieval. Your clinic will give specific guidance based on your protocol.

Q: Should my partner's sperm be tested before every IVF cycle?
A: A current semen analysis within 3–6 months of the cycle is typically standard. If previous cycles have had poor fertilisation rates or embryo quality issues, additional testing (DNA fragmentation, oxidative stress) may help identify whether sperm factors are contributing.

Q: Does IVF work better in certain seasons?
A: Some studies have explored seasonal variation in IVF outcomes, with some suggesting slightly better results in spring and autumn in some regions. However, the effect is modest and shouldn't drive timing decisions — optimising the controllable factors matters far more.

Q: How do I cope with a failed IVF cycle?
A: IVF cycle failure is emotionally devastating. Give yourself permission to grieve. Seek support from your partner, trusted friends, a counsellor, or fertility support communities. When you're ready, have a thorough debriefing with your clinic to understand what happened and what can be adjusted for the next cycle. Many people achieve success on subsequent cycles, particularly once protocols are refined based on individual response.

IVF preparation is an act of love — for yourself, your partner, and the family you're working toward. The investments you make in your health, nutrition, and wellbeing during this period have real, measurable effects on your outcomes. Conceive Plus is proud to be part of that journey, providing the nutritional support your body needs to give IVF the best possible chance.