The process of human ovulation has long been shrouded in mystery. We know that once or twice a month, women release tiny eggs from their ovaries into their fallopian tubes, which usher eggs into the ...

Researchers have captured the very first real-time, three-dimensional images and videos of a human embryo implanting into synthetic uterine tissue—revealing a key stage in reproduction. The resulting ...

Who hasn't seen it before: the view through the microscope in which a sperm penetrates an egg cell and fertilizes it. This fundamental step in procreation happens dynamically and seemingly without ...

Humans are among the few species that lack overt physical indicators of female fertility. One explanation for concealed ovulation in human females is that hiding fertility from males helps females ...

Ultrahuman Ring Air users can get paid-for cycle tracking features. Cycle and Ovulation Pro launched on Friday. The tool enables people with irregular menstrual cycles to track their periods ...

Infertility is a challenge that many couples face and it can affect both men and women. There are various reasons for ...

A research group led by Associate Professor Naoko Inoue (she/her), doctoral student Safiullah Hazim (he/him), Associate Professor Yoshihisa Uenoyama (he/him), and Professor Hiroko Tsukamura (she/her) ...

Ultrahuman's new Cycle and Ovulation Pro feature for the Ring Air has an unexpected origin story. The algorithm behind it was originally designed for intravaginal fertility monitors, but Ultrahuman ...