Possibly. A later activation may mean a delayed menopause, but don't count on it.
Food production did start in fertile areas, as fertile land provided the necessary conditions for agriculture to develop. However, in some cases, environmental factors or population pressure caused people to utilize less fertile areas for agriculture as well. Overall, fertile areas were often more suitable and productive for crop cultivation.
why do you want to know so bad????
Women may start menstruating Seven to nine weeks after caesarean operation.
No but sometimes it can seem that way because they start puberty later then girls.
They start laying eggs when they are about 1 year and 3 months later.
6 weeks
Growing seasons will get longer. They will start earlier and finish later.
When a volcano erupts, later it leaves ashes. Those ashes make the ground fertile. So people start growing vegetables on the fertile ground and also start building houses. So they won't have to go back and forward. One house becomes two houses and so on it starts to become a little town. Mean wile the ground is starting to be less fertile. And before you know it little town becomes big city, the ground isn't fertile anymore and people still live there till this day.
Yes, it is possible. Most women ovulate 12 - 14 days after the start of their period, but everyone is different and you can be fertile sooner or later from the average.
Of course. Girls between the ages 10-15 usually first start menstruating, and many girls that age are virgins.
The first menstruation can be as young as 9. In the US the average age for girls to start menstruating is 12.
The average age of menarche (first period) is 13 years old, with anything between 10-16 years old being within normal range. Everyone is different and there are women who start menstruating far earlier or far later.