There is an idea floating around in scientific and philosophical circles that because of technology and the human drive to adapt it's environment to maximize human survival that evolution is, in effect, dead in the species Homo Sapians.
But there is a group of people who have decided to do something about that. It's not like there aren't mutations in the genome, it's just that natural pressure doesn't favor these changes anymore. Something must be done to prevent stagnation.
That something is now called The Advanced. A secret society dedicated to finding mutations in the human genome, determining which ones would be beneficial to mankind's survival, and ensuring that these genes are passed on to future generations.
Their methods are surrounded in mystery, ranging from being the truth behind alien abductions to it all being talk. But that man at the bar, the one with the handsome eyes whose been buying you drinks, knows the truth.
[Alright, well- The Incubus was way more popular then expected, 13 wonderful ladies from these boards and counting, so I thought of something that I hope will mostly be a slightly more consensual version of similar hanky panky. Seeking women right now because I'm a guy, your characters would be either:
A.) Evaluated to have genes beneficial to humanity and as such has, without her knowledge, been targeted by an international conspiracy that will do anything in it's power short of sexual assault to make sure your character gets pregnant- preferably by a male confirmed to have genes they deem beneficial. To which they've trained and supplied their own males for the task.
B.) Your character works for the international conspiracy. A male has been found with genes considered beneficial to humanity and your mission is to use the conspiracy's training and resources in order to seduce him into impregnating your character. Short of sexual assault.