Relevance of round cells detection in spermograms A spermogram consists of analyzing the sperm of a man or an animal to evaluate the fertility and find out any possible anomalies. Round cells are known to be one of the most likely anomalies, encompassing lymphocytes, plasma cells, macrophages, mast cells, and round tumor [...]
The Cairo Consensus on Accreditation as the Basis for Future-Proofing the ART Laboratory Our publication of the Cairo Consensus on accreditation as the basis for future-proofing the ART laboratory [Reproductive Biomedicine Online 2024:1041106; doi.org/10.1016/j.rbmo.2024.104106] is the latest in a series of international consensus reports aimed at encouraging best practices in the ART [...]
The Rise of men or equity in sex-linked health awareness? Since young men do not usually consult a urologist, when it comes to fertility, it is always up to the woman to consult her gynecologist. In the absence of his urologist, it is her gynecologist 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 [...]
