Nowhere
It isn't in the Bible. It is one of the books that call themselves the gospel-of-something-or-the-other but was written much later and contradicts the rest of the Bible, proving that is isn't part of it.
Most women get their period every 28 days (about once a month) and it usually lasts 5 to 7 days
in the bible it says the last days will come when all the people in all the nations have heard the message of the lord check it out the bible is full of interesting things like that
i dont belive people had last names in the bible times, i believe that came about much later
Women ovulate around 14 days after their last period.
Usually 5 to 7 days.
it can do for many women, seven or eight days are not unusual.
2 or 3 days
Women are most likely to get pregnant during ovulation, which can be estimated around 14 days after their last period.
A normal pregnancy can last from 245 to 270 days from conception to delivery, the average being 266 days. If you are counting from the last period add 14 days to these numbers.
Acts 2; Peters speech to the crowd ...
Your supposed to get it every four weeks or 28 days and its light at the last thre days because your finishing your period