Typically a dog's period cycle will last for 21 days.
21
When you're fertile depends on your menstrual cycle, you'd need to use fertility awareness method to determine exactly when you're fertile. During a typical 28 day cycle women are fertile from days 7-16 of the menstrual cycle, but again how many days after your period depends on your cycle.
A month after her last period or around 14 days after she thinks she ovulated or had sex.
The average is 10-14 days after the start of your last period.
That depends on the girl but anything from a few days to up to a week.
it can do for many women, seven or eight days are not unusual.
depends how many days after your last period and when you had sex last.
If you mean how Many days are there between a girls periods , there are 28
3 to 8 days but i really depends on the woman or child
late 1800
it can range from 3 to 7 days depend on the person