DAVID NICHOLLS / SCIENCE PHOTO LIBRARY DAVID NICHOLLS / SCIENCE PHOTO LIBRARY
In vitro fertilisation. Conceptual computer artwork of a human sperm cell (spermatozoan) fertilising an egg (ovum) in a test tube. In vitro fertilisation (IVF) is where an egg is fertilised outside of the womb. It is a technique which enables infertile couples to concieve.
Model release not required. Property release not required.