It was not until the middle of the 19th century when the scientists began to discover that the human embryonic development took place in several successive stages. Galen formulated his theory of four states in 150 AD, long before Muhammad. Puer - all the organs were well formed and joints were freely moveable.
Some Muslim scholars agree.
We understood the effect of such statements upon him. We knew he was one of the foremost scientists in the United States. He knew, of course, that after the discovery of the microscope in the 16th century, physicians throughout the 17th century believed that a human being's origin began entirely in the male's semen, specifically in the male's sperm. The Qur'an makes the same mistake. Once again, this is scientifically incorrect.