When people talk about infertility, the conversation often focuses on women. That is understandable. In heterosexual couples, women usually go through much of the visible physical treatment: scans, blood tests, hormone injections, egg collection, embryo transfer and, sometimes, pregnancy loss. But male infertility can carry a huge emotional weight too. For many men, a male factor infertility diagnosis comes as a shock. They may feel healthy. They may have no symptoms. They ma