You should get your next period , about a month from when you got your last period.
eighteen the following month
You have a period roughly every 28 days however it varies depending on each woman.
next month
no
Yes
If you are having a period, you re not pregnant. You cannot be pregnant until after your last period.
It doesn't mean anything, it just means that your period happened to start on the last day of the month. When your periods start have nothing to do with the calendar date.
if the last period started on 28 December and this month on 24 January then which is the safe date to do intercource
Your menstrual cycle basically reset after you took the Plan B. Wait a month from your last period, not from your normal cycle.
Sometimes a woman's period is irregular. They could have their period one month, skip the next, then get it again. This happens more when women are just getting their period (more in teenage years)
If you're in the first 1-2 years of your period, it's normal. If not, call a doctor.