For the past several decades, fertility rates have been in decline. In 1950, the global total fertility rate was around 4.8, meaning that the average woman could expect to have 4–⁠5 children during ...

From invisible wafts of diesel exhaust to sun-choking plumes of orange smoke, air pollution is known to damage respiratory well-being. Now, research suggests another reason to hold our breath: ...

The following outlines aspects of the female reproductive system, including the internal and external organs, the menstrual cycle, the egg, and reproductive hormones. The menstrual cycle is a monthly ...