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.

In a review article published in the journal Molecular Aspects of Medicine, authors have analyzed current evidence on the impact of obesity on the male reproduction system. They have thoroughly ...

A woman's fertility normally decreases by her late 30s with reproductive function eventually ceasing at menopause. It is known that a small molecule called nicotinamide adenine dinucleotide (NAD+) ...

This series was created for Google, the Buck Institute, Optispan and Phenome Health by Scientific American Custom Media, a division separate from the magazine’s board of editors. Women live far longer ...

Humans are sexual, meaning that both a male and a female are needed to reproduce. Each is equipped with specific organs capable of producing specific cells needed to procreate. In conjunction with a ...

Once again I am extremely lucky to have this article co-written by a senior graduate student who's an expert on how reproductive hormones act on the brain. Stephanie Koebele is completing her Ph.D.

A research team reports today that the brain can produce and release estrogen — a discovery that may lead to a better understanding of hormonal changes observed from before birth throughout the entire ...

Some evidence demonstrates gut microbiota influence on gonadal functions and reproduction. Microbiome exerts their functions on gonadal performance through the modulation of sex hormone levels, the ...

Hormones regulate nearly every major bodily function. Ignoring long-term warning signs can lead to worsening underlying ...