Why Your Chronological Age Isn’t the Only Factor for Fertility
In today’s world, women over the age of 35 are often told they’re “over the hill” when it comes to fertility. Labels like “geriatric pregnancy” are casually thrown around, making many women feel as though their reproductive opportunities are a ticking clock with a loud, ominous alarm. I was labelled as such when I had my second child at 37, and I rejected the term outright then—as I do now.
The truth is, your chronological age (the number of years you’ve lived) isn’t the only defining factor for your fertility. What truly matters is your biological age, which is a measure of how your body is functioning internally. This distinction is crucial, empowering, and often misunderstood.
Chronological Age vs. Biological Age
Chronological age is simple—it’s the number on your birth certificate. Biological age, however, takes into account the health of your cells, organs, and overall systems. Your lifestyle has a profound impact on this.
If you’ve spent years living a hard life—consuming processed foods, drinking heavily, smoking, or dealing with chronic stress—your biological age may far exceed your chronological age. For instance, at 42, your body might function more like that of a 50-year-old. Conversely, if you’ve lived a clean, healthy lifestyle, prioritised nutrition, stayed active, and minimised stress, your biological age might be closer to 33, even if your chronological age is 42.
Reclaiming the Narrative Around Fertility and Age
The societal narrative that women are “too old” to conceive after 35 is outdated and harmful. It places unnecessary pressure on women, fosters fear, and leads many to prematurely give up on their dreams of motherhood. According to the CDC, about 15% of first-time mothers in the U.S. are now over 35, and this number is steadily increasing.
The term “geriatric pregnancy,” often applied to women over 35, is a relic of the past that undermines the fact that fertility doesn’t suddenly shut down at this arbitrary milestone. Women’s bodies are remarkable and resilient, and with the right care and attention, conceiving in your late 30s or 40s is entirely possible.
Evidence That Age Is Not a Barrier
• Egg Quality Can Be Improved: While egg quantity decreases with age, research has shown that the quality of your eggs can be enhanced through lifestyle changes. Studies highlight the role of antioxidants, CoQ10, and other targeted supplements in supporting mitochondrial function in eggs, improving their viability.
• Lifestyle Matters: A study published in Human Reproduction found that women who maintained a healthy weight, ate a nutrient-rich diet, and avoided smoking had better fertility outcomes regardless of age.
• Pregnancy Rates Over 40: Data from the Society for Assisted Reproductive Technology (SART) reveals that IVF success rates for women over 40 have increased significantly over the past decade, thanks to advancements in fertility treatments and a deeper understanding of reproductive health.
• The Role of Biological Age: A study in Nature Medicine highlighted that women with lower markers of biological age (as determined by specific health indicators) had better fertility outcomes, even if their chronological age was higher.
Practical Steps to Optimise Your Fertility
If you’ve been told that your age is a barrier, know that there’s a lot you can do to reclaim your fertility:
1. Prioritise Nutrition: Focus on a diet rich in whole foods, healthy fats, and fertility-supporting nutrients like folate, zinc, and omega-3s.
2. Targeted Supplementation: Supplements like CoQ10, vitamin D, and myo-inositol can improve egg quality and overall fertility.
3. Manage Stress: Chronic stress can disrupt hormone production and ovulation. Incorporate practices like yoga, meditation, or therapy to support your mental health.
4. Reduce Toxins: Minimise exposure to environmental toxins, which can disrupt hormones and fertility. This includes swapping out harmful cleaning products, cosmetics, and plastics.
5. Optimise Partner’s Health: Fertility isn’t just about eggs; sperm health is equally important. Encourage your partner to adopt a healthy lifestyle to support conception.
You Are Not “Too Old”
Don’t let outdated labels or societal pressure make you feel like motherhood is out of reach. Women in their late 30s and 40s are becoming mothers every day, both naturally and with assistance. With the right steps to optimise your biological health, your body is more capable than you might believe.
Whether you’re 37 or 42, your journey to motherhood is yours to own. Don’t write yourself off—and don’t let anyone else do it for you. Fertility is not defined by an arbitrary number but by the care, attention, and love you pour into your body and mind.
If you’re ready to reclaim your fertility and explore the possibilities, know that there is support and hope every step of the way. Motherhood is available to you—on your terms, in your time.
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