Not exact matches
Ovulation
cycles vary slightly
from one
month to the next.
It really
varies from one
to another at what age it appears and how long it appears, and if it's one long period of separation or it comes and goes in
cycles (12 and 18
months are very common times for it, as I'm sure you've read).
If you're not keeping track of your menstrual
cycle or if it
varies widely
from one
month to the next, you may not be sure when
to expect your period.
But not only is every woman's
cycle different
from other women's, it's also not abnormal for your own
cycle to vary month -
to -
month.
I used
to have a very regular monthly rhythm of 28 days, but the last
months my
cycles varies from 28 day
to 16 and sometimes 14 days.
Keep in mind the menstrual
cycle can
vary greatly
from woman
to woman or
month to month and still be considered normal.
Depending on the card, the number of days in a billing
cycle can
vary from 20
to as many as 45 days, but one -
month cycles (30 days) are the norm.
The next
cycle usually begins about 7
months from the start of the last heat
cycle, not the end of that
cycle but again this
varies from dog
to dog.
Females have their first estrus
cycle after their six
month birthday, but this
varies from dog
to dog.