Tweet. Obviously, the answer depends on how fast you walk, but the average person, walking without children can walk a mile in about 20 to 30 minutes. In contrast, you can run a mile in 5 to 9 minutes. If there are inhinderances like steep or uneven terrain, add time to your journey.
Thus, the gestation period for humans in days can be calculated as 280 days. However, the actual gestation period, as compared to other mammals, is around 267 days. But then what is the average gestation period for humans? It is taken to be about 259 to 294 days.
Gestation is the time period between conception and birth during which the embryo or foetus is developing inside the uterus. Gestation means to carry. Gestational age is calculated from the first day of the last menstrual cycle. Gestational period in a human female normally is 266 days.