Every schoolchild learns that vitamin D is essential for proper bone development. Deficiency leads to rickets, a classical childhood affliction with soft, deformed bones resulting in bowed legs. The ...

Scientists have created human eggs containing genes from adult skin cells, a step that someday could help women who are infertile or gay couples have babies with their own genes but would also raise ...

Without federal protection, recent state laws curtailing or eliminating the right to abortion care will deny Americans’ reproductive autonomy and create an Orwellian dystopia. Examples are the ...

In the next 10 years, the continued exploration of human embryology holds promise to revolutionize regenerative and reproductive medicine with important societal consequences. In this Comment we ...

How do you study reproductive aging, the biological clock that affects fertility, in the lab? Researchers at HHMI’s Janelia Research Campus use a surprising animal: the roundworm C. elegans. Although ...

Reproductive function adjusts in response to environmental conditions in order to optimize success. In humans, this plasticity includes age of pubertal onset, hormone levels and age at menopause.

OVER the past few weeks, we’ve been examining each body system in detail. This week and next, we will focus on our final, most vital system: the reproductive system. Our focus this week will be on the ...