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Evelyn

Fertility Myths It's Time to Retire

Half of what circulates about fertility is folklore. An endocrinologist separates the evidence from the anxiety.

Evelyn Editors

Editorial Team

7 min read • Published 15 April 2026

A couple calmly reviews notes together at a sunlit table with warm mugs.
Fertility information should lower anxiety, not feed it.

Key Takeaways

  • Fertility changes gradually with age; it does not fall off a sudden cliff at 35.
  • Male factors contribute to many fertility challenges.
  • PCOS and endometriosis can complicate conception, but they are not automatic infertility.

Few areas of health attract as much confident misinformation as fertility. It arrives from aunties, algorithms and advertising alike, and it lands hardest on women who are already anxious. Let us retire a few myths properly — with evidence.

Myth: fertility falls off a cliff at 35

Fertility declines gradually with age — there is no cliff. The often-quoted statistic that one in three women over 35 will not conceive within a year traces back to French birth records from the 1600s. Modern data show most healthy women in their mid-to-late thirties conceive within a year of trying. Age matters, especially past 40, and it is fair to plan around it — but as a curve, not a countdown.

Myth: it's usually the woman

In roughly half of couples struggling to conceive, a male factor contributes. Any fertility work-up that investigates only the woman is half a work-up. Semen analysis is simple, cheap and should be an early step — not an afterthought once the woman has been exhaustively tested.

Myth: PCOS or endometriosis means you cannot have children

Both conditions can make conception harder; neither is a verdict of infertility. Most women with PCOS conceive, many with straightforward ovulation induction. Many women with endometriosis conceive naturally, and surgical and assisted options exist for those who need them. A diagnosis is a map, not a wall.

  • Track ovulation with your body's signs or kits, but don't let tracking become a second job
  • Both partners benefit from the boring fundamentals: sleep, movement, not smoking, moderate alcohol
  • Seek assessment after 12 months of trying under 35, after 6 months over 35 — earlier with known conditions or irregular cycles
Anxiety is not a fertility treatment. Information is.

If you take one thing from this article, let it be this: fertility is a shared, gradual, highly treatable domain of health — not a lottery, not a moral report card, and never a reason to accept folklore where you deserve facts.

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References

  1. Twenge JM. How long can you wait to have a baby? The Atlantic; 2013 — analysis of Dunson et al., Human Reproduction 2004;19:1548–1553.
  2. World Health Organization. Infertility prevalence estimates 1990–2021. Geneva: WHO; 2023.
  3. NICE. Fertility problems: assessment and treatment (CG156). National Institute for Health and Care Excellence; updated 2017.

This article is for education and empowerment. It complements — never replaces — personalised advice from your own healthcare professional.