Here is a breakdown of one possible path to become a nurse midwife: 1  Graduate from high school. To prepare for an undergraduate program in nursing, itâs advisable to take classes such as biology, chemistry, algebra I/II, physics, statistics, and psychology (if available).
The gestation or pregnancy period of the Red Kangaroo lasts between 6 and 7 weeks. They will most often give birth to one offspring, or joey. The baby Kangaroo is extremely small when it is born, being roughly the size of a bean. After the joey is born, it will crawl up the mother's fur to get inside of the pouch.
Within similar animals, there is some variation as well: grizzly bears have an average gestation period of 225 days, but black bears have an average of 210 days, and polar bears have an average of 240 days. Larger animals, which require more time to develop before being born, often stay in the womb longer than humans.or example, the average human gestation period is 38 weeks. Gestation may normally last anywhere from 37 to 42 weeks, however, and be considered well within the healthy range. Any child born before 37 weeks is considered preterm, and this can be accompanied by any number of health risks.