I’m a nurse, not a doctor, but in school I learned that when in vitro fertilization was being pioneered, scientists were unable to create an embryo from the combination of s***m and egg. It wasn’t until they added female secretions in that they were able to produce viable embryos, and they don’t know what role those secretions play in the process.
This was about 15 years ago, so if anyone has new information on the topic I’d love to hear it!
This was about 15 years ago, so if anyone has new information on the topic I’d love to hear it!