Humans are shaped by evolution through natural selection, as are all species. While
evolution is central to all biological processes, the key stage for competition and selection is …

Infertility is a growing problem worldwide. Currently, in vitro fertilization (IVF) is widely
performed to treat infertility. However, a high percentage of IVF cycles fails, due to the poor …

STUDY QUESTION Is the use of ART, a proxy for infertility, associated with epigenetic age
acceleration? SUMMARY ANSWER The epigenetic age acceleration measured by Dunedin …

STUDY QUESTION What are the factors that contribute to the decision to continue or stop
IVF treatment after multiple unsuccessful cycles? SUMMARY ANSWER Factors contributing …

Andrology encompasses all areas of medicine and science dealing with the reproductive
functions of the male under physiological and pathological conditions. It focuses on infertility …

In assisted reproductive technology (ART) research, live birth has been generally accepted
as an important outcome, if not the most important one. However, it has been reported …

A recent systematic review on worldwide declining trends in sperm counts has fuelled
alarming reports in national and international news media. However, methodological issues …

Background Previous meta‐analyses concluded that there is a decline in sperm parameters
over time. This conclusion might be incorrect due to inherent biases or focusing only on a …

The association between maternal metabolic status at the time of conception and
subsequent embryogenesis and offspring development has been studied in detail. However …

B ackground Women with rheumatic diseases (RD) have a higher risk of suffering from sub-
fertility, complications during pregnancy and complications resulting from a Covid-19 …