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.
Moderate prematurity refers to babies who are born between 28 and 32 completed weeks gestational age with a birth weight range between 1000 and 1500 grams (about 2 lbs 3 oz and 4 lbs). Based on their gestational age and birth weight, premature babies are placed into categories of mild, moderate and extreme prematurity. 1  Mild prematurity refers to babies who are born between 33 and 37 completed weeks gestational age and/or have a birth weight between 1500 and 2500 grams (about 3 lbs 5 oz to 5 lbs 8 oz).