The chart below shows a comparison between the number of times this symptom was experienced by pregnant vs non-pregnant women. **NOTE: Data for 15-21 dpo tends to be lower than expected as many women stop tracking symptoms after a positive pregnancy test.
If I hadn't done it, someone would've done something equally exciting if not better in the next six months. It was in 1962 when a young computer programmer from MIT, Steve Russell (fueled with inspiration from the writings of E. E. Doc Smith*), created the first computer video game.
We could argue that the first computer was the abacus or its descendant, the slide rule, invented by William Oughtred in 1622. But the first computer resembling today's modern machines was the Analytical Engine, a device conceived and designed by British mathematician Charles Babbage between 1833 and 1871.