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.
The normal limits of the human gestation period are from 37 weeks (259 days) to 42 weeks (293 days); days and weeks are counted as completed days and weeks.
The gestation of a human baby is considered to be 40 weeks. However, the average pregnancy lasts anywhere from 37 to 42 weeks. Yes, a normal pregnancy can last longer than nine months. This is often the first of many pregnancy surprises for first-time moms. Since only 5 percent of babies are born on their due date, according to the American Congress of Obstetricians and Gynecologists (ACOG), use this date as a general time line and not as something set in stone.