For most women, the body begins to change dramatically in their 40s or 50s. This transition, known as menopause, is defined ...

A new article in Ecological and Evolutionary Physiology examines how the immune system and reproduction interact in female mammals, especially during pregnancy, from mating to birth. Lauren E.

This short film introduces the topic of reproduction and that babies start from an egg and sperm. This series of short films ...

Successful reproduction presents a fundamental evolutionary paradox: the immune system must tolerate genetically foreign sperm and embryos while maintaining ...

Producing follicles isn’t the only task for ovaries, new research suggests. (Steve Gschmeissner/Science Photo Library/Getty ...

Reproduction is a normal part of life, and while sex might seem like a quick and straightforward process for humans, that’s not always the case in the animal kingdom. Some animals reproduce in rougher ...

Reproductive system disorders encompass a wide range of conditions affecting the organs and processes involved in human reproduction that can make it difficult to conceive. Treatments vary depending ...