An increasing waist circumference isn’t just a matter of body weight. Excess fat in the abdominal cavity can affect male hormone balance and may also impair fertility. Of particular interest her...
The onset of a pregnancy is a complex biological process in which hormones, metabolism, and cellular functions work closely together. Insulin resistance, mitochondrial processes, and chronic metab...
A 19-year-old man in the United Kingdom has become the first patient in the country to have his own testicular tissue—which had been frozen prior to his chemotherapy—reimplanted. Doctors hope ...
After fertilization, an astonishingly complex process begins: within a few days, a single cell develops into a tiny cluster of cells that can eventually implant itself in the uterus as a blastocys...
When it comes to infertility, attention often turns first to the woman. Tests focus, for example, on the egg reserve, ovulation, the uterus, or hormone levels. But the male partner also plays a crucia...
Fertilization is commonly portrayed as an intense competition in which millions of sperm compete for a single egg cell. However, new research by evolutionary biologists at Syracuse University, the Uni...
Air pollution has long been considered one of the most significant environmental factors affecting human health. While its effects on cardiovascular and respiratory diseases are well documented, repro...
Fertility treatment is not only a physical and emotional challenge for women. Men are also an important part of the entire process. About half of all cases of infertility are at least partly related t...