no..your not pregnant that happens sometimes after having sex or it's normal ...but it's common...your safe =)
4190 as of Novemeber 5, 2008 according to Stars and Stripes newspaper.
The Jurassic period extended from 200 million BCE to 146 million years BCE. It lasted 54 million years.
Since she was 15
This can be caused by various things such as: * Pregnancy. * Medication you are taking. * Hormonal imbalance. * Irregular periods. * Infection. * Stress. * Illness. An 11 day period is NOT normal, you need to see a doctor
Since that period is ' to the present, ' yes.
i don't know if this is what you are looking for, you are very open ended , but earlier this year a satalite was launched around the moon and thaat hasn't been done since novemeber 11 2007
Very, for over 400 years. Its influence has lasted ever since its heyday.
Romantic Period
No it sounds like the pill is doing more harm then good. A normal period only lasts about a week. You should consult a doctor about changing the birth control you are on, because it sounds like it isn't strong enough.
The Royal Air Force has lasted since 1918 and still exists.
In plate tectonics as in everything, the period before human history is the prehistoric period. Since plate tectonics have been going on since about the beginning of the planet, this is a very long period indeed, compared to which the historic period is insignificant.
same with me.