How long is the human gestation period? Doctors will tell you 280 days (40 weeks), which is not entirely true. That’s the count of days from the last menstrual cycle. Hardly anybody gets pregnant then. You probably got pregnant when you ovulated, two weeks later. So the actual time to make a full-term human baby comes to 280 days − 14 days = 266 days. Now let’s ask about the time it takes for the Moon to cycle through its phases—full Moon to full Moon. You can look that up: it averages 29.53 days. Nine of these cycles comes to 266 days. That’s interesting. A full-term baby takes about nine
...more
