In a world full of quick-fix diets, restrictive meal plans, and contradictory advice, it’s no wonder many people feel lost about what to eat especially when trying to conceive. Every body is unique, and what works for one person may not work for another. This is why personalised nutrition plans for fertility have become a game-changer for couples and individuals looking to optimise their health and reproductive potential.
Rather than following generic diet trends, a personalised plan takes into account your unique biology, lifestyle, and reproductive needs. When it comes to improving egg and sperm quality, balancing hormones, and preparing the body for pregnancy, there’s no one-size-fits-all approach.
1. Why personalised nutrition matters for fertility
The power of bio-individuality
Each person’s metabolism, hormone profile, and gut microbiome are different. A personalised nutrition plan is built around your unique nutrient needs, sensitivities, and reproductive goals.
For example, someone with insulin resistance or PCOS may need a lower-carbohydrate approach to stabilise blood sugar, while another person may thrive on a more balanced macronutrient profile that supports oestrogen and progesterone balance.
This precision approach helps identify and correct nutritional imbalances that can affect fertility hormones, such as thyroid function, insulin sensitivity, and sex hormone metabolism.
The science behind personalised nutrition
Research published in Cell Metabolism (2025) confirms that personalised nutrition guided by genetic, microbiome, and lifestyle data outperforms standard dietary guidelines for improving metabolic health and reproductive outcomes.
Similarly, a PubMed study (2020) found that tailored nutrition interventions significantly improved pregnancy rates among women with unexplained infertility by addressing individual nutrient deficiencies.
2. The connection between diet and reproductive hormones
How nutrition influences fertility hormones
Balanced nutrition directly supports the production of fertility hormones such as oestrogen, progesterone, follicle-stimulating hormone (FSH), and luteinising hormone (LH). Deficiencies in vitamins, minerals, or healthy fats can disrupt hormone synthesis, ovulation, and implantation.
Nutrients that support hormones to get pregnant include:
- B vitamins and magnesium: essential for progesterone production.
- Omega-3 fatty acids: improve egg membrane integrity and reduce inflammation.
- Zinc and selenium: vital for sperm quality and motility.
- Iron: supports ovulation and oxygen transport to reproductive organs.
When these nutrients are optimally balanced through personalised nutrition, hormone levels become more stable enhancing both natural conception and IVF outcomes.
3. Foods that may improve egg and sperm quality
Foods to Eat to Improve Egg Quality
Your diet influences cellular health and mitochondrial function, which play key roles in egg development. Focus on antioxidant-rich and anti-inflammatory foods, such as:
- Colourful fruits and vegetables (blueberries, spinach, sweet potatoes)
- Whole grains like quinoa and buckwheat
- Healthy fats (avocados, olive oil, nuts, seeds)
- Protein sources like eggs, legumes, and wild-caught fish
Studies have shown that diets rich in antioxidants, folate, and omega-3s can enhance ovarian response and egg quality.
Tip: A Mediterranean-style diet rich in fruits, vegetables, whole grains, olive oil, and fish has been associated with improved ovarian response and higher IVF success rates.
Foods to Eat to Improve Sperm Quality
Sperm health depends on DNA stability, motility (movement), morphology (shape), and overall count all of which are sensitive to oxidative stress, inflammation, and nutrient deficiencies.
Key nutrients and food sources:
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Zinc:
Found in pumpkin seeds, oysters, and chickpeas; zinc is essential for testosterone production and sperm motility.
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Selenium:
Brazil nuts, eggs, and tuna help protect sperm DNA from oxidative damage.
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Vitamin C and E:
Citrus fruits, almonds, sunflower seeds, and leafy greens reduce oxidative stress and improve sperm count and morphology.
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L-Carnitine:
Present in red meat and dairy, this amino acid enhances sperm motility and mitochondrial activity.
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Omega-3 fatty acids:
Similar to egg health, omega-3s improve sperm structure and fluidity, supporting better motility and fertilization potential.
Tip: Diets high in processed meat, refined sugars, and trans fats are linked to lower sperm counts and poorer motility. Replacing these with antioxidant-rich plant foods and healthy fats can markedly improve sperm parameters.
Foods for different menstrual phases
Understanding your cycle allows you to eat in sync with your hormones.
- Follicular phase meals: Emphasise lean proteins, cruciferous vegetables, and foods high in B vitamins to support oestrogen metabolism.
- Ovulation phase foods: Add zinc-rich options (pumpkin seeds, oysters) and antioxidants like vitamin C to support egg release.
- Luteal phase meals: Include magnesium, complex carbs, and vitamin B6 (sweet potatoes, chickpeas, leafy greens) to support progesterone and implantation.
- Menstrual phase recipes: Focus on iron-rich foods (lentils, red meat, spinach) and hydration to replenish the body.
A study in the Journal of Fertility and Sterility highlights how cyclical eating patterns aligned with hormonal fluctuations can significantly enhance fertility outcomes.
4. Foods to avoid when trying to conceive
Not all foods support fertility. Some can disrupt hormones or increase inflammation, which impairs egg and sperm quality.
Avoid or limit:
- Processed foods and refined sugars: They spike insulin and disrupt reproductive hormones.
- Trans fats and seed oils: Linked to reduced ovarian reserve.
- High-mercury fish (e.g., swordfish, king mackerel): Can harm embryo development.
- Excess caffeine and alcohol: Interfere with ovulation and implantation.
When planning nutrition plans for fertility, removing these “fertility disruptors” is just as important as adding beneficial foods.
5. Red meat and fertility: quality over quantity
There’s ongoing debate about red meat and pregnancy is it safe, or should it be limited? The key lies in quality and moderation.
High-quality, grass-fed red meat provides essential nutrients like iron, zinc, and vitamin B12, all critical for egg and sperm health. However, excessive intake, especially of processed meats, may increase inflammation and reduce fertility.
Research from PubMed (2023) shows that moderate consumption of unprocessed red meat supports healthy iron levels and hormone balance during preconception and pregnancy.
So, if you eat red meat during pregnancy, choose small portions of lean cuts, cooked thoroughly, and balanced with plenty of fibre and antioxidants from plants.
6. The low-carb and keto debate: fertility implications
Low carb diet and pregnancy
Low-carbohydrate diets have gained popularity for weight loss and blood sugar control, but their role in fertility and pregnancy is nuanced.
A PubMed review (2017) found that low-carb diets can improve insulin sensitivity in women with PCOS, a common cause of infertility. However, during pregnancy, overly restrictive carb intake can lead to nutrient deficiencies and affect foetal growth.
Moderate low-carb approaches focusing on whole foods rather than extreme keto diet fertility plans can support hormone balance without compromising reproductive health.
Keto and fertility: what the science says
The ketogenic diet can reduce inflammation and regulate fertility hormones in insulin-resistant women, but it may not be suitable for everyone. A PubMed study (2017)* found that while short-term keto diets improved ovulation in women with PCOS, long-term use may reduce important micronutrients needed for pregnancy.
If you’re considering a low carb diet while pregnant, it’s best to work with a nutrition expert to ensure adequate intake of folate, magnesium, and fibre nutrients crucial for healthy development.
7. Foods that support ovulation naturally
Ovulation is one of the most critical steps in conception. Supporting it through diet can improve both egg release and implantation success.
Foods that support ovulation include:
- Leafy greens and cruciferous vegetables: Detoxify excess oestrogen.
- Whole grains: Stabilise blood sugar and support progesterone.
- Avocados and nuts: Provide essential fatty acids for hormone production.
- Berries and citrus fruits: Deliver antioxidants that reduce oxidative stress on eggs.
During the ovulatory phase, aim for meals rich in zinc, vitamin C, and omega-3s nutrients that optimise follicular fluid quality and sperm-egg interaction.
8. Gut health, inflammation, and fertility
A healthy gut microbiome is essential for nutrient absorption, hormone metabolism, and immune regulation all crucial for fertility. Inflammation in the gut can lead to hormonal imbalances, autoimmune reactions, and conditions like endometriosis or PCOS.
A PubMed study (2020) confirmed that personalised anti-inflammatory diets improved conception rates in women with inflammatory reproductive conditions.
Incorporating fermented foods (like kefir, sauerkraut, and miso), prebiotic fibres, and polyphenol-rich fruits can help maintain microbial diversity and reduce inflammation while trying to conceive.
9. Why personalised nutrition outperforms generic fertility diets
While there are countless “fertility diet” guides online, they rarely consider your individual biology. Personalised nutrition uses biomarkers, ike hormone levels, genetic predispositions, and microbiome composition to fine-tune recommendations.
For example:
- Someone with low iron might need more red meat and leafy greens.
- Another person with high inflammation might benefit from plant-based omega-3s.
- Those with PCOS may thrive on low glycaemic, balanced carb plans.
This precision approach aligns with Danish dietary guidelines from the SST, which emphasise varied, whole-food-based diets tailored to individual needs.
10. Building your personalised nutrition plan for fertility
To create your nutrition plan for fertility, start by evaluating:
- Your current diet: Are you eating enough protein, fibre, and micronutrients?
- Your menstrual health: Irregular cycles may indicate hormonal imbalances.
- Your stress and sleep patterns: Both impact insulin and cortisol, which affect fertility.
- Your lab results: Work with a qualified nutritionist to analyse hormone and nutrient levels.
Then, adjust your meal plan phase by phase, focusing on foods that nourish your reproductive system supporting follicle development, ovulation, and implantation.
Nourishing your fertility through personalised nutrition
Personalised nutrition plans go beyond meal plans they empower you to understand your body’s signals and give it exactly what it needs. Whether you’re improving egg quality, supporting sperm health, or managing hormonal imbalances, tailored nutrition creates the foundation for conception and long-term wellbeing.
If you’re ready to explore how nutrition can support your fertility journey, discover more in these resources: