Typically a dog's period cycle will last for 21 days.
Don't know
The length of estrous for cattle is approximately 21 days. The estrus period last about 18 hours.
The mateing period begins with the first site of blood. Then count 10 days from the day you see the blood and you and breed the dog. The period last 14 day .
The estrous cycle of pigs is 21 days. Humans have a menstrual cycle which can last from 21-35 days.
21 days
Cats do not have a period like women do. They do go through "heat," which can last anywhere from 4 days to a week. This is when they are able to get pregnant.
BTW... i dont have your answer but its 28 days not 20! ;)
Mid-cycle (i.e., approximately 14 days after your last period, 14 days before your next period).
July6
to tell when your cycle is the first day your period come on til the next time and come on this will give you the amount of days that is in your cycle and then you will not your cycle the amount of day you bleed does not tell you your cycle but i will say this since you cycle is 3 days you may have 26 or 28 day cycle
This heat cycle lasts for several days up to three or four weeks.
A cycle lasts 28 days so count 28 days from the first day of your last period
Yes, a normal period can last from 3 to 8 days.
Usually ended, but everyone's cycle is different so it may be more days than that.
You could just have a shorter cycle. Some women have a long cycle(over 28days) and some have shorter ones.
no!
First few days of the last two weeks are considered as danger period. You are likely to get the pregnancy at this period.
Approximately 14 days after the first day of your last period, although the actual number of days varies depending if your cycle is usually shorter or longer than the average 28 days.