Male and female reproductive systems allow human reproduction. Fertilisation occurs when a sperm and egg join to form an embryo. An embryo develops into an unborn baby in the uterus during pregnancy.

A new study provides the first evidence of a direct interaction between kisspeptins, proteins crucial for sexual development, and astrocytes, non-neuronal cells of the nervous system, blazing new ...

AbstractThe forces driving extra-pair reproduction by socially monogamous females, and the resulting genetic polyandry, remain unclear. A testable prediction of the hypothesis that extra-pair ...

An endocrinologist is a doctor who specializes in the endocrine system. This network of glands inside your body creates hormones that help cells talk to each other. The endocrine system is varied and ...

Tithi Bhattacharya explains the insights of contemporary Marxists that help us link struggles in the sphere of production to those outside it in the sphere of reproduction. ONE OF the most common ...

We have two contradictory expectations about human biology and behaviour. Given our primate and mammalian ancestry, we must be pretty similar to chimps, monkeys, and even rats. But given our big ...

Now, a new wave of technology threatens to automate vast swaths of existing jobs, with the trend set to push even more workers into un- and under-employment. The result is an increasingly large ...

The intensification of livestock production systems is a prerequisite to meet the growing demand for animal products. Genetic selection, assisted reproductive technologies and optimized reproduction ...

When Does Black America Get to Dream? Ultimately, the backlash proved my point: Reproductive rights spaces tend to be echo chambers that fail to adequately center those who are directly impacted by ...

Human Reproduction is a peer-reviewed scientific journal covering all aspects of human reproduction, including reproductive physiology and pathology, endocrinology, andrology, gonad function, ...