Analyzing semen under a microscope, she looks for the following characteristics: at least 15 million or more sperm cells, at least 40% of those cells moving and at least 4% of them shaped normally.

For centuries, women were usually the ones blamed for any issues related to fertility, the inability to have children or for not producing a coveted baby boy. (We’re looking at you, Henry VIII.) Of ...

Startling evidence from Sheffield University reveals how common lifestyle choices can seriously damage sperm quality, ...

Each sperm cell, or spermatozoon, is small and motile. The spermatozoon has a flagellum, which is a tail-shaped structure that allows the cell to propel and move. In contrast, each egg cell ...

Generational wounds may live in our genes. New research suggests that childhood trauma leads to a difference in the epigenetics of a sperm cell, which can impact a child's development and also be ...

Delivering drugs to specific, hard-to-reach areas in the human body remains a challenge in drug development. Typically, drug ...

In a groundbreaking achievement, Australian scientists have successfully created the first kangaroo embryos using in vitro fertilization (IVF), paving the way for the conservation of endangered ...

sperm, eggs, nerve cells, muscle cells, ciliated cells, and villi. Get it, lark? Anyone…? Okay let's move on. An animal cell is made of three main parts a nucleus, cell membrane and cytoplasm ...