The Journal

Fertility

Evidence-based strategies to support sperm quality and hormonal recovery, without guesswork.

Fertility concerns deserve a careful, unhurried answer, not a generic one. This is where we cover what the evidence actually supports for improving sperm quality and supporting your body's own hormone production, and it is a section we are actively growing as more patients bring us these questions.

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Fertility How to improve male fertility: what the research shows
4 Min Read

How to Improve Male Fertility

A large review of 28 treatments shows what genuinely improves sperm quality, and supports your own testosterone.

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Fertility How testosterone therapy affects fertility and how to protect it
6 Min Read

Does TRT Cause Infertility? What Really Happens, and How to Protect It

Yes, testosterone therapy usually lowers your own sperm production, but you often do not have to choose between feeling well and future fertility. Here's how, in plain English.

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Fertility A medical report open on a desk under a single lamp at night
7 Min Read

The Word "Unexplained" Is Doing a Lot of Work

In 214 men told their infertility had no cause, nearly a quarter had a testosterone level the guidelines call low.

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Fertility A single sheet of laboratory results on a desk
7 Min Read

A Semen Analysis Is a Photograph, Not a Portrait

A third of men with a normal first analysis had an abnormal parameter by the next one. Time was the only predictor.

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Fertility A bathroom scale on a tiled floor
8 Min Read

Age, Weight and the Bottle Multiply

In 9,464 men, age and body mass index acted together on every semen parameter measured, and each factor hit different ones.

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Fertility Light falling through a doorway onto a stone floor
7 Min Read

The Ageing Testis Is Not Failing

Testicular tissue from healthy men aged 24 to 75 shows an organ rewriting its own instructions to keep working.

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Fertility A man standing at a window in low evening light
6 Min Read

What a Cigarette Leaves Behind

Lead and arsenic measured in seminal plasma, higher in smokers, and tracking with count, viability and shape.

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