The raise of MEN or equity in sex-linked health awareness? Since young men do not use to consult a urologist, when it comes to fertility, it is always the woman to consult her gynaecologist. In the absence of his urologist, it is her gynaecologist to ask for a semen analysis. We all [...]
The evolution of male reproductive health In recent years, a sense of urgency regarding male reproductive health has been escalating worldwide and for many reasons. Perhaps the most conspicuous reason is the reported global decline in sperm counts being broadcast by popular media channels to the lay community. Coffee table books have [...]
Which were the first animals to have sperm? Have basic sperm components changed much over the course of evolution? So, where do sperm come from an evolutionary perspective? Fig. 1: A figurative display of sperm. Let is start from the very beginning. In the simplest animals such as Protozoa (mainly [...]
Great names that shaped the future of spermatology The author has written several blogs during the last few years dealing with aspects such as the history of spermatology and tracking sperm over the last fifty years. This blog is not a repetition of these aspects but focuses on some key role players [...]
Entrevista al Biólogo Gerardo Cerezo Parra, a la Dra. Mónica Vazquez-Levin y a la Dra. Rocío Núñez Calonge En esta ocasión les presentamos un blog con un formato diferente: realizamos una entrevista al Biólogo Gerardo Cerezo Parra (México), a la Dra Mónica Vazquez-Levin (Argentina) y a la Dra Rocío Núñez Calonge (España), [...]
A further major 2022 meta-analysis on declining sperm concentration globally was published followed by press sensation and paranoia – men doomsday! What are the perspectives? The author previously wrote a blog based on an International conference presentation (2018) which was subsequently published by Prof Levine from Israel showing that there is a [...]
Keep Calm and Carry on counting sperm For the past 8 years I have been teaching MSc students how to count sperm. However, a few years ago I read an interview published as part of ESHREs In Profile series where Jackson Kirkman-Brown suggests that a sperm count is a relatively poor index [...]
The evolutionary consequences of sperm competition or the lack of sperm competition Fig. 1: Scanning EM: Gerbil sperm. What is sperm competition? It is the competitive process between spermatozoa of two or more different males to fertilize the same egg(s) during sexual reproduction. This form of competitive reproduction is by far [...]
Atelier "Sperm Today!", Togo C’est avec un immense plaisir que la Clinique BIASA à Lomé au Togo a pu accueillir au sein de son établissement l’atelier Sperm Today! les 20 et 21 juin 2022. Pendant ces 2 journées, les professionnels de la santé de la biologie de la reproduction d’Afrique de l’Ouest ont pu [...]
Infertilité masculine : brisons les tabous ! L’HOMME, depuis la nuit des temps de nombreux adjectifs le caractérisent : Fort, Invincible, Combattif, Courageux, Vaillant, Déterminé, Audacieux, Intrépide, Puissant, Téméraire… la liste est longue ! L’HOMME, pourquoi est-il si compliqué pour ce super héros de parler d’infertilité masculine ? Question difficile soulevant plusieurs problématiques. Dans une société qui [...]
