What Is the Female Reproductive System? The female reproductive system is designed to carry out several functions. It produces the female egg cells, called the ova or oocytes, which are necessary for ...

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