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Anne Petersen

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Hyperspermia: What It Means, Causes, and Fertility Impact

Hyperspermia is a medical condition where semen volume per ejaculation is higher than normal, typically defined as ejaculate containing more than 5.5 mL of semen. High semen volume is not the same as high sperm count. Hyperspermia is often harmless, but it can affect fertility when a larger semen volume reduces sperm concentration.

Anne PetersenJun 4, 2026

Semen retention

Semen retention is the practice of intentionally avoiding ejaculation by refraining from masturbation and sexual intercourse. There is no strong evidence that semen retention benefits sperm quality, the likelihood of conceiving or general health. This article provides an evidence-based overview of sperm retention, details the sperm lifecycle, and explains the purported benefits and risks.

Anne PetersenJun 4, 2026

Watery Sperm: What It Means, Causes and Fertility Impact

Watery sperm usually refers to a change in semen consistency, with the ejaculate becoming thinner and more liquid. It is often a temporary change, and can be related to low sperm count, general health and male fertility challenges. However, watery ejaculate can also be caused by various lifestyle factors, such as diet or frequent ejaculation.

Anne PetersenJun 2, 2026

Zero sperm count (azoospermia): causes, treatment, and fertility options

Zero sperm count means no sperm are present in semen and is also known as azoospermia. A complete absence of sperm in the ejaculate can contribute to infertility, but conceiving a child may still be possible, depending on the cause of the azoospermia. This guide explains what azoospermia is, how it affects male fertility and what treatments are available.

Anne PetersenMay 27, 2026

Low Sperm Count (Oligozoospermia)

Low sperm count (oligozoospermia) is when there are fewer than 15 million sperm per millilitre of semen. A low sperm count can make it harder to conceive by reducing the likelihood that a healthy sperm cell will reach and fertilise the egg. This guide explains what oligozoospermia is, how it affects male fertility and what treatments are available.

Anne PetersenMay 27, 2026

Healthy Sperm: What It Means and How to Improve It

Healthy sperm refers to sperm cells that are well-shaped, move in a straight line at a good speed and occur in sufficient numbers to support fertilisation. Sperm health is affected by lifestyle, health and genetic factors, and is an important determinant of male fertility.

Anne PetersenMay 21, 2026