Do eggs choose the sperm? #fertility #science #biology

[00:00:00]They must be in the right [music] place at exactly the right moment to detect these signals and reach the egg. As sperm move closer, >> [music] >> the egg and its surrounding cells release chemical signals known as chemoattractant, almost like a scent trail guiding them forward.

[00:00:15]These signals may attract certain sperm while potentially ignoring others.

[00:00:20]In a way, [music] the egg is sending out a GPS signal that only specific sperm are tuned to receive.