This one has stuck with me for decades, giving me belly curls, the first time I read was in the Readers Digest. So likely many might know it.

The mother took her sixteen year old daughter -- raised with rigid norms about sex and marriage -- to the local doctor to find out why she was feeling out of sorts. Doctor tells them the girl is pregnant. As the mother gives her questioning eyes, the daughter says, "Mom, you know I've nothing to do with the boys." They both look at the doctor, who slowly walks toward a window and stares into the sky. Minutes pass when the mother finally ask, "What are you looking for, doctor?" The doctor says I am looking for a star; for the last time a woman got pregnant without a man, a star had appeared in the East.