2. For the first few years most girls have irregular periods; it is not unusual to miss your period for months at a time or to have 2 periods very close together.
3. Periods work on 28 day cycles, this means you can expect 13 periods in a year.
4. PMS is not a myth but it has been exaggerated. It is more physical than emotional and includes things like; bloating, cramping, water retention, elevated body temperature, and skin break outs.
5. It is possible, although highly unlikely, to get pregnant if you have unprotected sex during your period.
6.Cramps our real and for some girls they are severe enough to warrant missing school or other activities; Ibuprofen (Advil®), Acetaminophen (Tylenol®), Naproxen Sodium (Aleve®) or Motrin® can help ease the pain.
7. Birth control killed can ease severe cramps and make irregular periods regular.
8. Using tampons does not mean you are no longer a virgin.
9.Tampons should not be left in for more than 8 hours; extended use can cause the disease called "Toxic Shock Syndrom" (TSS).
10. A period is part of the regular fertility cycle in females; it is merely the expulsion of an unfertilized egg along with uterine wall tissue and blood. Although it seems as if you lose a lot of blood you really only lose between 4 - 6 tablespoons, the rest is tissue and water.