In recent years, a spate of potential male contraceptive options have cropped up. From a hormonal gel that lowers testosterone production to a non-hormonal pill that blocks the creation of vitamin A, ...

Photo composite of human egg (oocyte) and sperm (spermatozoon), colored scanning electron micrograph (SEM). In the first clinical trial of its kind, a nonhormonal oral contraceptive that reversibly ...

As the chair of the department of obstetrics and gynecology at UT Southwestern Medical Center, Catherine Spong is used to seeing a lot of baby bumps. But through her decades of practice, she’s been ...

A hormone-free pill, called YCT-529, that temporarily stops sperm production by blocking a vitamin A metabolite has just concluded its first safety trial in humans, getting a step closer to increasing ...

Scientists reveal unprecedented insights into human limb development, including the many intricate processes that govern their formation. Human fingers and toes do not grow outward; instead, they form ...