The length of estrous for cattle is approximately 21 days. The estrus period last about 18 hours.
The mating period for dogs typically starts when the female is in heat, which occurs every six to twelve months, and lasts around 2-4 weeks. The female is usually most fertile around the tenth day of her heat cycle. It's advisable to seek advice from a veterinarian if you are considering breeding your dogs.
The estrous cycle of pigs is 21 days. Humans have a menstrual cycle which can last from 21-35 days.
Lions typically mate multiple times during a female's estrus cycle, which can last several days. They may mate every 15-30 minutes for several days during this period.
Yorkies typically have heat cycles around every 6-8 months, but this can vary between individual dogs. Each heat cycle can last about 2-3 weeks.
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
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.
Any counting of days regarding menstruation or fertility is always from the first day of your period - LMP is the day you started your last period, fertility window is from LMP - to days 9 thru 16 - the average cycle is 28 to 34 days beginning with LMP.