it depends on who you are, most girls have their period for around four days. though it can be longer, not everyone get theirs on the same day of the same month.
a period of 30 days called
Raccoons have a gestation period of 63-65 days.
The orbital period of the moon [around the earth] is 27.321582 days.
The sun has two types of period of rotation, the sidereal rotation period and the synodic rotation period. The sidereal rotation period is 24.47 days. The synodic rotation period is 26.24 days.
why did my period come 4 days early?
14 days before your period starts.
686.980 earth days, sidereal period; 779.94 earth days, synodic period.
Yes, ten days is too long for a period. Period duration can range between one day and eight days with an average of 3-5 days.
27.32 days, its rotation period is also 27.32 days.
no your period can be anywhere from 2 to seven days
its always the 14 days after your period. ( to get pregnant)
can i get pregnant 2 days before my period starts