Avatar - The Guardian
The Guardian
Female human body blocks weak sperm, scientists find

Female human body blocks weak sperm, scientists find

The Guardian - Ian Sample Science editor

For millions of sperm it is the end of the road. Scientists have found evidence that the female reproductive tract is shaped in such a way that stops poor swimmers from reaching their goal. Researchers used small-scale models and computer simulations to show that pinch points that behave like gates …

View on theguardian.com